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Finding the Fourth Proportional to 406,502.70, 609,706.56 and 163,333.96

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Solution

The fourth proportional to 406,502.70, 609,706.56 and 163,333.96 is: 244,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,502.70 : 609,706.56 = 163,333.96 : x
  2. Step 2: Convert to fraction form
    406,502.70/609,706.56 = 163,333.96/x
  3. Step 3: Cross multiply
    406,502.70x = 609,706.56 × 163,333.96
  4. Step 4: Simplify right side
    406,502.70x = 99,585,786,882.78
  5. Step 5: Solve for x
    x = 99,585,786,882.78/406,502.70
  6. Step 6: Final answer
    x = 244,981.86

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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.