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Finding the Fourth Proportional to 587,625.60, 881,467.20 and 307,689.60

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Solution

The fourth proportional to 587,625.60, 881,467.20 and 307,689.60 is: 461,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,625.60 : 881,467.20 = 307,689.60 : x
  2. Step 2: Convert to fraction form
    587,625.60/881,467.20 = 307,689.60/x
  3. Step 3: Cross multiply
    587,625.60x = 881,467.20 × 307,689.60
  4. Step 4: Simplify right side
    587,625.60x = 271,218,290,181.12
  5. Step 5: Solve for x
    x = 271,218,290,181.12/587,625.60
  6. Step 6: Final answer
    x = 461,549.48

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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.