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Finding the Fourth Proportional to 546,205.92, 819,308.88 and 172,228.92

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Solution

The fourth proportional to 546,205.92, 819,308.88 and 172,228.92 is: 258,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,205.92 : 819,308.88 = 172,228.92 : x
  2. Step 2: Convert to fraction form
    546,205.92/819,308.88 = 172,228.92/x
  3. Step 3: Cross multiply
    546,205.92x = 819,308.88 × 172,228.92
  4. Step 4: Simplify right side
    546,205.92x = 141,108,685,569.41
  5. Step 5: Solve for x
    x = 141,108,685,569.41/546,205.92
  6. Step 6: Final answer
    x = 258,343.38

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Similar ratio
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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.