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Finding the Fourth Proportional to 566,641.52, 845,816.54 and 499,383.07

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Solution

The fourth proportional to 566,641.52, 845,816.54 and 499,383.07 is: 745,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,641.52 : 845,816.54 = 499,383.07 : x
  2. Step 2: Convert to fraction form
    566,641.52/845,816.54 = 499,383.07/x
  3. Step 3: Cross multiply
    566,641.52x = 845,816.54 × 499,383.07
  4. Step 4: Simplify right side
    566,641.52x = 422,386,455,790.52
  5. Step 5: Solve for x
    x = 422,386,455,790.52/566,641.52
  6. Step 6: Final answer
    x = 745,420.95

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Half scale
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Double scale
Find fourth proportional to 566,642.52, 845,818.03 and 499,384.07
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.