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Finding the Fourth Proportional to 406,018.43, 560,291.15 and 224,730.71

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Solution

The fourth proportional to 406,018.43, 560,291.15 and 224,730.71 is: 310,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,018.43 : 560,291.15 = 224,730.71 : x
  2. Step 2: Convert to fraction form
    406,018.43/560,291.15 = 224,730.71/x
  3. Step 3: Cross multiply
    406,018.43x = 560,291.15 × 224,730.71
  4. Step 4: Simplify right side
    406,018.43x = 125,914,626,822.56
  5. Step 5: Solve for x
    x = 125,914,626,822.56/406,018.43
  6. Step 6: Final answer
    x = 310,120.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.