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Finding the Fourth Proportional to 875,025, 1,207,535.31 and 472,617

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Solution

The fourth proportional to 875,025, 1,207,535.31 and 472,617 is: 652,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,025 : 1,207,535.31 = 472,617 : x
  2. Step 2: Convert to fraction form
    875,025/1,207,535.31 = 472,617/x
  3. Step 3: Cross multiply
    875,025x = 1,207,535.31 × 472,617
  4. Step 4: Simplify right side
    875,025x = 570,701,715,606.27
  5. Step 5: Solve for x
    x = 570,701,715,606.27/875,025
  6. Step 6: Final answer
    x = 652,211.90

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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.