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Finding the Fourth Proportional to 625,615.56, 938,554.56 and 270,680.04

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Solution

The fourth proportional to 625,615.56, 938,554.56 and 270,680.04 is: 406,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,615.56 : 938,554.56 = 270,680.04 : x
  2. Step 2: Convert to fraction form
    625,615.56/938,554.56 = 270,680.04/x
  3. Step 3: Cross multiply
    625,615.56x = 938,554.56 × 270,680.04
  4. Step 4: Simplify right side
    625,615.56x = 254,047,985,842.98
  5. Step 5: Solve for x
    x = 254,047,985,842.98/625,615.56
  6. Step 6: Final answer
    x = 406,076.83

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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.