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Finding the Fourth Proportional to 586,820.19, 809,755.86 and 466,253.31

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Solution

The fourth proportional to 586,820.19, 809,755.86 and 466,253.31 is: 643,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,820.19 : 809,755.86 = 466,253.31 : x
  2. Step 2: Convert to fraction form
    586,820.19/809,755.86 = 466,253.31/x
  3. Step 3: Cross multiply
    586,820.19x = 809,755.86 × 466,253.31
  4. Step 4: Simplify right side
    586,820.19x = 377,551,350,016.90
  5. Step 5: Solve for x
    x = 377,551,350,016.90/586,820.19
  6. Step 6: Final answer
    x = 643,385.07

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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.