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Finding the Fourth Proportional to 617,937.40, 926,906.10 and 497,668.60

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Solution

The fourth proportional to 617,937.40, 926,906.10 and 497,668.60 is: 746,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,937.40 : 926,906.10 = 497,668.60 : x
  2. Step 2: Convert to fraction form
    617,937.40/926,906.10 = 497,668.60/x
  3. Step 3: Cross multiply
    617,937.40x = 926,906.10 × 497,668.60
  4. Step 4: Simplify right side
    617,937.40x = 461,292,061,118.46
  5. Step 5: Solve for x
    x = 461,292,061,118.46/617,937.40
  6. Step 6: Final answer
    x = 746,502.90

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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.