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Finding the Fourth Proportional to 448,691.94, 619,151.85 and 247,474.98

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Solution

The fourth proportional to 448,691.94, 619,151.85 and 247,474.98 is: 341,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,691.94 : 619,151.85 = 247,474.98 : x
  2. Step 2: Convert to fraction form
    448,691.94/619,151.85 = 247,474.98/x
  3. Step 3: Cross multiply
    448,691.94x = 619,151.85 × 247,474.98
  4. Step 4: Simplify right side
    448,691.94x = 153,224,591,695.71
  5. Step 5: Solve for x
    x = 153,224,591,695.71/448,691.94
  6. Step 6: Final answer
    x = 341,491.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.