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Finding the Fourth Proportional to 363,089.04, 544,460.76 and 126,402.72

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Solution

The fourth proportional to 363,089.04, 544,460.76 and 126,402.72 is: 189,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,089.04 : 544,460.76 = 126,402.72 : x
  2. Step 2: Convert to fraction form
    363,089.04/544,460.76 = 126,402.72/x
  3. Step 3: Cross multiply
    363,089.04x = 544,460.76 × 126,402.72
  4. Step 4: Simplify right side
    363,089.04x = 68,821,320,997.27
  5. Step 5: Solve for x
    x = 68,821,320,997.27/363,089.04
  6. Step 6: Final answer
    x = 189,543.92

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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.