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Finding the Fourth Proportional to 377,658.08, 521,168.08 and 207,892.16

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Solution

The fourth proportional to 377,658.08, 521,168.08 and 207,892.16 is: 286,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,658.08 : 521,168.08 = 207,892.16 : x
  2. Step 2: Convert to fraction form
    377,658.08/521,168.08 = 207,892.16/x
  3. Step 3: Cross multiply
    377,658.08x = 521,168.08 × 207,892.16
  4. Step 4: Simplify right side
    377,658.08x = 108,346,757,874.25
  5. Step 5: Solve for x
    x = 108,346,757,874.25/377,658.08
  6. Step 6: Final answer
    x = 286,891.14

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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.