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Finding the Fourth Proportional to 425,598.22, 587,319.12 and 234,607.48

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Solution

The fourth proportional to 425,598.22, 587,319.12 and 234,607.48 is: 323,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,598.22 : 587,319.12 = 234,607.48 : x
  2. Step 2: Convert to fraction form
    425,598.22/587,319.12 = 234,607.48/x
  3. Step 3: Cross multiply
    425,598.22x = 587,319.12 × 234,607.48
  4. Step 4: Simplify right side
    425,598.22x = 137,789,458,699.02
  5. Step 5: Solve for x
    x = 137,789,458,699.02/425,598.22
  6. Step 6: Final answer
    x = 323,754.78

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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.