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Finding the Fourth Proportional to 617,934, 926,906.68 and 243,957

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Solution

The fourth proportional to 617,934, 926,906.68 and 243,957 is: 365,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,934 : 926,906.68 = 243,957 : x
  2. Step 2: Convert to fraction form
    617,934/926,906.68 = 243,957/x
  3. Step 3: Cross multiply
    617,934x = 926,906.68 × 243,957
  4. Step 4: Simplify right side
    617,934x = 226,125,372,932.76
  5. Step 5: Solve for x
    x = 226,125,372,932.76/617,934
  6. Step 6: Final answer
    x = 365,937.74

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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.