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Finding the Fourth Proportional to 587,487.60, 881,260.20 and 307,551.60

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Solution

The fourth proportional to 587,487.60, 881,260.20 and 307,551.60 is: 461,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,487.60 : 881,260.20 = 307,551.60 : x
  2. Step 2: Convert to fraction form
    587,487.60/881,260.20 = 307,551.60/x
  3. Step 3: Cross multiply
    587,487.60x = 881,260.20 × 307,551.60
  4. Step 4: Simplify right side
    587,487.60x = 271,032,984,526.32
  5. Step 5: Solve for x
    x = 271,032,984,526.32/587,487.60
  6. Step 6: Final answer
    x = 461,342.48

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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.