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Finding the Fourth Proportional to 491,967, 737,937.54 and 136,966.68

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Solution

The fourth proportional to 491,967, 737,937.54 and 136,966.68 is: 205,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,967 : 737,937.54 = 136,966.68 : x
  2. Step 2: Convert to fraction form
    491,967/737,937.54 = 136,966.68/x
  3. Step 3: Cross multiply
    491,967x = 737,937.54 × 136,966.68
  4. Step 4: Simplify right side
    491,967x = 101,072,854,901.17
  5. Step 5: Solve for x
    x = 101,072,854,901.17/491,967
  6. Step 6: Final answer
    x = 205,446.41

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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.