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Finding the Fourth Proportional to 372,561.28, 558,862.17 and 106,301.32

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Solution

The fourth proportional to 372,561.28, 558,862.17 and 106,301.32 is: 159,457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,561.28 : 558,862.17 = 106,301.32 : x
  2. Step 2: Convert to fraction form
    372,561.28/558,862.17 = 106,301.32/x
  3. Step 3: Cross multiply
    372,561.28x = 558,862.17 × 106,301.32
  4. Step 4: Simplify right side
    372,561.28x = 59,407,786,369.06
  5. Step 5: Solve for x
    x = 59,407,786,369.06/372,561.28
  6. Step 6: Final answer
    x = 159,457.76

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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.