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Finding the Fourth Proportional to 499,912.65, 749,714.67 and 144,952.83

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Solution

The fourth proportional to 499,912.65, 749,714.67 and 144,952.83 is: 217,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,912.65 : 749,714.67 = 144,952.83 : x
  2. Step 2: Convert to fraction form
    499,912.65/749,714.67 = 144,952.83/x
  3. Step 3: Cross multiply
    499,912.65x = 749,714.67 × 144,952.83
  4. Step 4: Simplify right side
    499,912.65x = 108,673,263,109.02
  5. Step 5: Solve for x
    x = 108,673,263,109.02/499,912.65
  6. Step 6: Final answer
    x = 217,384.50

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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.