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Finding the Fourth Proportional to 534,015.50, 736,912.85 and 292,251.30

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Solution

The fourth proportional to 534,015.50, 736,912.85 and 292,251.30 is: 403,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,015.50 : 736,912.85 = 292,251.30 : x
  2. Step 2: Convert to fraction form
    534,015.50/736,912.85 = 292,251.30/x
  3. Step 3: Cross multiply
    534,015.50x = 736,912.85 × 292,251.30
  4. Step 4: Simplify right side
    534,015.50x = 215,363,736,937.95
  5. Step 5: Solve for x
    x = 215,363,736,937.95/534,015.50
  6. Step 6: Final answer
    x = 403,291.18

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1.5x scale

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.