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Finding the Fourth Proportional to 477,330.88, 716,035.20 and 157,542.88

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Solution

The fourth proportional to 477,330.88, 716,035.20 and 157,542.88 is: 236,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,330.88 : 716,035.20 = 157,542.88 : x
  2. Step 2: Convert to fraction form
    477,330.88/716,035.20 = 157,542.88/x
  3. Step 3: Cross multiply
    477,330.88x = 716,035.20 × 157,542.88
  4. Step 4: Simplify right side
    477,330.88x = 112,806,247,589.38
  5. Step 5: Solve for x
    x = 112,806,247,589.38/477,330.88
  6. Step 6: Final answer
    x = 236,327.15

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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.