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Finding the Fourth Proportional to 406,182.88, 560,594.28 and 253,245.88

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Solution

The fourth proportional to 406,182.88, 560,594.28 and 253,245.88 is: 349,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,182.88 : 560,594.28 = 253,245.88 : x
  2. Step 2: Convert to fraction form
    406,182.88/560,594.28 = 253,245.88/x
  3. Step 3: Cross multiply
    406,182.88x = 560,594.28 × 253,245.88
  4. Step 4: Simplify right side
    406,182.88x = 141,968,191,761.57
  5. Step 5: Solve for x
    x = 141,968,191,761.57/406,182.88
  6. Step 6: Final answer
    x = 349,517.91

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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.