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Finding the Fourth Proportional to 363,997.34, 546,073.77 and 127,347.74

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Solution

The fourth proportional to 363,997.34, 546,073.77 and 127,347.74 is: 191,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,997.34 : 546,073.77 = 127,347.74 : x
  2. Step 2: Convert to fraction form
    363,997.34/546,073.77 = 127,347.74/x
  3. Step 3: Cross multiply
    363,997.34x = 546,073.77 × 127,347.74
  4. Step 4: Simplify right side
    363,997.34x = 69,541,260,482.78
  5. Step 5: Solve for x
    x = 69,541,260,482.78/363,997.34
  6. Step 6: Final answer
    x = 191,048.82

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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.