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Finding the Fourth Proportional to 546,591, 753,979.80 and 328,648.28

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Solution

The fourth proportional to 546,591, 753,979.80 and 328,648.28 is: 453,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,591 : 753,979.80 = 328,648.28 : x
  2. Step 2: Convert to fraction form
    546,591/753,979.80 = 328,648.28/x
  3. Step 3: Cross multiply
    546,591x = 753,979.80 × 328,648.28
  4. Step 4: Simplify right side
    546,591x = 247,794,164,424.74
  5. Step 5: Solve for x
    x = 247,794,164,424.74/546,591
  6. Step 6: Final answer
    x = 453,344.76

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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.