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Finding the Fourth Proportional to 534,395.95, 737,446.55 and 292,680.50

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Solution

The fourth proportional to 534,395.95, 737,446.55 and 292,680.50 is: 403,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,395.95 : 737,446.55 = 292,680.50 : x
  2. Step 2: Convert to fraction form
    534,395.95/737,446.55 = 292,680.50/x
  3. Step 3: Cross multiply
    534,395.95x = 737,446.55 × 292,680.50
  4. Step 4: Simplify right side
    534,395.95x = 215,836,219,826.64
  5. Step 5: Solve for x
    x = 215,836,219,826.64/534,395.95
  6. Step 6: Final answer
    x = 403,888.20

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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.