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Finding the Fourth Proportional to 344,781,097.20, 517,423,588.20 and 242,744,425.20

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Solution

The fourth proportional to 344,781,097.20, 517,423,588.20 and 242,744,425.20 is: 364,294,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,781,097.20 : 517,423,588.20 = 242,744,425.20 : x
  2. Step 2: Convert to fraction form
    344,781,097.20/517,423,588.20 = 242,744,425.20/x
  3. Step 3: Cross multiply
    344,781,097.20x = 517,423,588.20 × 242,744,425.20
  4. Step 4: Simplify right side
    344,781,097.20x = 125,601,691,502,530,496
  5. Step 5: Solve for x
    x = 125,601,691,502,530,496/344,781,097.20
  6. Step 6: Final answer
    x = 364,294,018.79

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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.