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Finding the Fourth Proportional to 566,201.69, 781,379.89 and 324,530.90

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Solution

The fourth proportional to 566,201.69, 781,379.89 and 324,530.90 is: 447,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,201.69 : 781,379.89 = 324,530.90 : x
  2. Step 2: Convert to fraction form
    566,201.69/781,379.89 = 324,530.90/x
  3. Step 3: Cross multiply
    566,201.69x = 781,379.89 × 324,530.90
  4. Step 4: Simplify right side
    566,201.69x = 253,581,918,943.60
  5. Step 5: Solve for x
    x = 253,581,918,943.60/566,201.69
  6. Step 6: Final answer
    x = 447,865.00

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Double scale
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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.