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Finding the Fourth Proportional to 322,454.01, 443,970.11 and 292,560.46

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Solution

The fourth proportional to 322,454.01, 443,970.11 and 292,560.46 is: 402,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,454.01 : 443,970.11 = 292,560.46 : x
  2. Step 2: Convert to fraction form
    322,454.01/443,970.11 = 292,560.46/x
  3. Step 3: Cross multiply
    322,454.01x = 443,970.11 × 292,560.46
  4. Step 4: Simplify right side
    322,454.01x = 129,888,099,229.33
  5. Step 5: Solve for x
    x = 129,888,099,229.33/322,454.01
  6. Step 6: Final answer
    x = 402,811.23

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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.