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Finding the Fourth Proportional to 499,795.70, 749,732.43 and 144,814.82

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Solution

The fourth proportional to 499,795.70, 749,732.43 and 144,814.82 is: 217,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,795.70 : 749,732.43 = 144,814.82 : x
  2. Step 2: Convert to fraction form
    499,795.70/749,732.43 = 144,814.82/x
  3. Step 3: Cross multiply
    499,795.70x = 749,732.43 × 144,814.82
  4. Step 4: Simplify right side
    499,795.70x = 108,572,366,898.61
  5. Step 5: Solve for x
    x = 108,572,366,898.61/499,795.70
  6. Step 6: Final answer
    x = 217,233.50

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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.