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Finding the Fourth Proportional to 587,793.80, 811,164.71 and 329,728.12

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Solution

The fourth proportional to 587,793.80, 811,164.71 and 329,728.12 is: 455,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,793.80 : 811,164.71 = 329,728.12 : x
  2. Step 2: Convert to fraction form
    587,793.80/811,164.71 = 329,728.12/x
  3. Step 3: Cross multiply
    587,793.80x = 811,164.71 × 329,728.12
  4. Step 4: Simplify right side
    587,793.80x = 267,463,813,635.05
  5. Step 5: Solve for x
    x = 267,463,813,635.05/587,793.80
  6. Step 6: Final answer
    x = 455,030.00

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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.