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Finding the Fourth Proportional to 504,997.12, 757,366.08 and 149,928.76

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Solution

The fourth proportional to 504,997.12, 757,366.08 and 149,928.76 is: 224,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,997.12 : 757,366.08 = 149,928.76 : x
  2. Step 2: Convert to fraction form
    504,997.12/757,366.08 = 149,928.76/x
  3. Step 3: Cross multiply
    504,997.12x = 757,366.08 × 149,928.76
  4. Step 4: Simplify right side
    504,997.12x = 113,550,957,240.46
  5. Step 5: Solve for x
    x = 113,550,957,240.46/504,997.12
  6. Step 6: Final answer
    x = 224,854.66

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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.