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Finding the Fourth Proportional to 587,791.02, 811,160.50 and 329,725.18

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Solution

The fourth proportional to 587,791.02, 811,160.50 and 329,725.18 is: 455,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,791.02 : 811,160.50 = 329,725.18 : x
  2. Step 2: Convert to fraction form
    587,791.02/811,160.50 = 329,725.18/x
  3. Step 3: Cross multiply
    587,791.02x = 811,160.50 × 329,725.18
  4. Step 4: Simplify right side
    587,791.02x = 267,460,041,871.39
  5. Step 5: Solve for x
    x = 267,460,041,871.39/587,791.02
  6. Step 6: Final answer
    x = 455,025.74

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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.