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Finding the Fourth Proportional to 417,476.16, 625,426.92 and 323,522.64

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Solution

The fourth proportional to 417,476.16, 625,426.92 and 323,522.64 is: 484,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,476.16 : 625,426.92 = 323,522.64 : x
  2. Step 2: Convert to fraction form
    417,476.16/625,426.92 = 323,522.64/x
  3. Step 3: Cross multiply
    417,476.16x = 625,426.92 × 323,522.64
  4. Step 4: Simplify right side
    417,476.16x = 202,339,768,285.47
  5. Step 5: Solve for x
    x = 202,339,768,285.47/417,476.16
  6. Step 6: Final answer
    x = 484,673.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.