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Finding the Fourth Proportional to 298,785, 448,309.88 and 156,596.44

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Solution

The fourth proportional to 298,785, 448,309.88 and 156,596.44 is: 234,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,785 : 448,309.88 = 156,596.44 : x
  2. Step 2: Convert to fraction form
    298,785/448,309.88 = 156,596.44/x
  3. Step 3: Cross multiply
    298,785x = 448,309.88 × 156,596.44
  4. Step 4: Simplify right side
    298,785x = 70,203,731,224.83
  5. Step 5: Solve for x
    x = 70,203,731,224.83/298,785
  6. Step 6: Final answer
    x = 234,964.04

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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.