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Finding the Fourth Proportional to 484,471.53, 725,970.42 and 231,403.55

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Solution

The fourth proportional to 484,471.53, 725,970.42 and 231,403.55 is: 346,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,471.53 : 725,970.42 = 231,403.55 : x
  2. Step 2: Convert to fraction form
    484,471.53/725,970.42 = 231,403.55/x
  3. Step 3: Cross multiply
    484,471.53x = 725,970.42 × 231,403.55
  4. Step 4: Simplify right side
    484,471.53x = 167,992,128,753.14
  5. Step 5: Solve for x
    x = 167,992,128,753.14/484,471.53
  6. Step 6: Final answer
    x = 346,753.36

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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.