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Finding the Fourth Proportional to 587,672.62, 881,510.31 and 161,214.64

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Solution

The fourth proportional to 587,672.62, 881,510.31 and 161,214.64 is: 241,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,672.62 : 881,510.31 = 161,214.64 : x
  2. Step 2: Convert to fraction form
    587,672.62/881,510.31 = 161,214.64/x
  3. Step 3: Cross multiply
    587,672.62x = 881,510.31 × 161,214.64
  4. Step 4: Simplify right side
    587,672.62x = 142,112,365,079.16
  5. Step 5: Solve for x
    x = 142,112,365,079.16/587,672.62
  6. Step 6: Final answer
    x = 241,822.34

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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.