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Finding the Fourth Proportional to 658,613.43, 908,874.71 and 372,127.37

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Solution

The fourth proportional to 658,613.43, 908,874.71 and 372,127.37 is: 513,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,613.43 : 908,874.71 = 372,127.37 : x
  2. Step 2: Convert to fraction form
    658,613.43/908,874.71 = 372,127.37/x
  3. Step 3: Cross multiply
    658,613.43x = 908,874.71 × 372,127.37
  4. Step 4: Simplify right side
    658,613.43x = 338,217,150,482.28
  5. Step 5: Solve for x
    x = 338,217,150,482.28/658,613.43
  6. Step 6: Final answer
    x = 513,529.08

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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.