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Finding the Fourth Proportional to 566,451.04, 781,610.96 and 324,689.12

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Solution

The fourth proportional to 566,451.04, 781,610.96 and 324,689.12 is: 448,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,451.04 : 781,610.96 = 324,689.12 : x
  2. Step 2: Convert to fraction form
    566,451.04/781,610.96 = 324,689.12/x
  3. Step 3: Cross multiply
    566,451.04x = 781,610.96 × 324,689.12
  4. Step 4: Simplify right side
    566,451.04x = 253,780,574,784.76
  5. Step 5: Solve for x
    x = 253,780,574,784.76/566,451.04
  6. Step 6: Final answer
    x = 448,018.55

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Half scale
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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.