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Finding the Fourth Proportional to 491,934.87, 737,125.08 and 371,421.45

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Solution

The fourth proportional to 491,934.87, 737,125.08 and 371,421.45 is: 556,545.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,934.87 : 737,125.08 = 371,421.45 : x
  2. Step 2: Convert to fraction form
    491,934.87/737,125.08 = 371,421.45/x
  3. Step 3: Cross multiply
    491,934.87x = 737,125.08 × 371,421.45
  4. Step 4: Simplify right side
    491,934.87x = 273,784,066,044.97
  5. Step 5: Solve for x
    x = 273,784,066,044.97/491,934.87
  6. Step 6: Final answer
    x = 556,545.35

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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.