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Finding the Fourth Proportional to 566,289.06, 781,481.50 and 324,585.77

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Solution

The fourth proportional to 566,289.06, 781,481.50 and 324,585.77 is: 447,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,289.06 : 781,481.50 = 324,585.77 : x
  2. Step 2: Convert to fraction form
    566,289.06/781,481.50 = 324,585.77/x
  3. Step 3: Cross multiply
    566,289.06x = 781,481.50 × 324,585.77
  4. Step 4: Simplify right side
    566,289.06x = 253,657,774,418.26
  5. Step 5: Solve for x
    x = 253,657,774,418.26/566,289.06
  6. Step 6: Final answer
    x = 447,929.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.