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Finding the Fourth Proportional to 361,884.60, 542,826.90 and 249,910.20

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Solution

The fourth proportional to 361,884.60, 542,826.90 and 249,910.20 is: 374,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,884.60 : 542,826.90 = 249,910.20 : x
  2. Step 2: Convert to fraction form
    361,884.60/542,826.90 = 249,910.20/x
  3. Step 3: Cross multiply
    361,884.60x = 542,826.90 × 249,910.20
  4. Step 4: Simplify right side
    361,884.60x = 135,657,979,144.38
  5. Step 5: Solve for x
    x = 135,657,979,144.38/361,884.60
  6. Step 6: Final answer
    x = 374,865.30

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Similar ratio
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1.5x scale

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.