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Finding the Fourth Proportional to 499,914.65, 749,717.67 and 144,954.83

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Solution

The fourth proportional to 499,914.65, 749,717.67 and 144,954.83 is: 217,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,914.65 : 749,717.67 = 144,954.83 : x
  2. Step 2: Convert to fraction form
    499,914.65/749,717.67 = 144,954.83/x
  3. Step 3: Cross multiply
    499,914.65x = 749,717.67 × 144,954.83
  4. Step 4: Simplify right side
    499,914.65x = 108,675,197,402.85
  5. Step 5: Solve for x
    x = 108,675,197,402.85/499,914.65
  6. Step 6: Final answer
    x = 217,387.50

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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.