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Finding the Fourth Proportional to 482,674,553.70, 724,011,830.55 and 159,558,425.70

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Solution

The fourth proportional to 482,674,553.70, 724,011,830.55 and 159,558,425.70 is: 239,337,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,674,553.70 : 724,011,830.55 = 159,558,425.70 : x
  2. Step 2: Convert to fraction form
    482,674,553.70/724,011,830.55 = 159,558,425.70/x
  3. Step 3: Cross multiply
    482,674,553.70x = 724,011,830.55 × 159,558,425.70
  4. Step 4: Simplify right side
    482,674,553.70x = 115,522,187,870,733,152
  5. Step 5: Solve for x
    x = 115,522,187,870,733,152/482,674,553.70
  6. Step 6: Final answer
    x = 239,337,638.55

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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.