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Finding the Fourth Proportional to 406,623.92, 560,440.56 and 270,414.56

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Solution

The fourth proportional to 406,623.92, 560,440.56 and 270,414.56 is: 372,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,623.92 : 560,440.56 = 270,414.56 : x
  2. Step 2: Convert to fraction form
    406,623.92/560,440.56 = 270,414.56/x
  3. Step 3: Cross multiply
    406,623.92x = 560,440.56 × 270,414.56
  4. Step 4: Simplify right side
    406,623.92x = 151,551,287,438.55
  5. Step 5: Solve for x
    x = 151,551,287,438.55/406,623.92
  6. Step 6: Final answer
    x = 372,706.28

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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.