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Finding the Fourth Proportional to 425,461.22, 587,125.65 and 231,873.90

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Solution

The fourth proportional to 425,461.22, 587,125.65 and 231,873.90 is: 319,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,461.22 : 587,125.65 = 231,873.90 : x
  2. Step 2: Convert to fraction form
    425,461.22/587,125.65 = 231,873.90/x
  3. Step 3: Cross multiply
    425,461.22x = 587,125.65 × 231,873.90
  4. Step 4: Simplify right side
    425,461.22x = 136,139,114,255.54
  5. Step 5: Solve for x
    x = 136,139,114,255.54/425,461.22
  6. Step 6: Final answer
    x = 319,980.08

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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.