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Finding the Fourth Proportional to 475,447.65, 711,988.43 and 332,624.36

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Solution

The fourth proportional to 475,447.65, 711,988.43 and 332,624.36 is: 498,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,447.65 : 711,988.43 = 332,624.36 : x
  2. Step 2: Convert to fraction form
    475,447.65/711,988.43 = 332,624.36/x
  3. Step 3: Cross multiply
    475,447.65x = 711,988.43 × 332,624.36
  4. Step 4: Simplify right side
    475,447.65x = 236,824,690,633.09
  5. Step 5: Solve for x
    x = 236,824,690,633.09/475,447.65
  6. Step 6: Final answer
    x = 498,108.87

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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.