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Finding the Fourth Proportional to 406,173.78, 560,540.51 and 224,905.71

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Solution

The fourth proportional to 406,173.78, 560,540.51 and 224,905.71 is: 310,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,173.78 : 560,540.51 = 224,905.71 : x
  2. Step 2: Convert to fraction form
    406,173.78/560,540.51 = 224,905.71/x
  3. Step 3: Cross multiply
    406,173.78x = 560,540.51 × 224,905.71
  4. Step 4: Simplify right side
    406,173.78x = 126,068,761,385.31
  5. Step 5: Solve for x
    x = 126,068,761,385.31/406,173.78
  6. Step 6: Final answer
    x = 310,381.34

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1.5x scale

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.