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Finding the Fourth Proportional to 588,352.85, 811,901.35 and 326,691.87

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Solution

The fourth proportional to 588,352.85, 811,901.35 and 326,691.87 is: 450,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,352.85 : 811,901.35 = 326,691.87 : x
  2. Step 2: Convert to fraction form
    588,352.85/811,901.35 = 326,691.87/x
  3. Step 3: Cross multiply
    588,352.85x = 811,901.35 × 326,691.87
  4. Step 4: Simplify right side
    588,352.85x = 265,241,570,287.02
  5. Step 5: Solve for x
    x = 265,241,570,287.02/588,352.85
  6. Step 6: Final answer
    x = 450,820.58

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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.