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Finding the Fourth Proportional to 478,073.44, 717,103.67 and 162,750.16

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Solution

The fourth proportional to 478,073.44, 717,103.67 and 162,750.16 is: 244,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,073.44 : 717,103.67 = 162,750.16 : x
  2. Step 2: Convert to fraction form
    478,073.44/717,103.67 = 162,750.16/x
  3. Step 3: Cross multiply
    478,073.44x = 717,103.67 × 162,750.16
  4. Step 4: Simplify right side
    478,073.44x = 116,708,733,443.57
  5. Step 5: Solve for x
    x = 116,708,733,443.57/478,073.44
  6. Step 6: Final answer
    x = 244,123.03

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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.