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Finding the Fourth Proportional to 583,613.20, 875,808.60 and 267,907.60

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Solution

The fourth proportional to 583,613.20, 875,808.60 and 267,907.60 is: 402,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,613.20 : 875,808.60 = 267,907.60 : x
  2. Step 2: Convert to fraction form
    583,613.20/875,808.60 = 267,907.60/x
  3. Step 3: Cross multiply
    583,613.20x = 875,808.60 × 267,907.60
  4. Step 4: Simplify right side
    583,613.20x = 234,635,780,085.36
  5. Step 5: Solve for x
    x = 234,635,780,085.36/583,613.20
  6. Step 6: Final answer
    x = 402,039.88

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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.