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Finding the Fourth Proportional to 332,712.56, 499,424.02 and 143,266.72

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Solution

The fourth proportional to 332,712.56, 499,424.02 and 143,266.72 is: 215,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,712.56 : 499,424.02 = 143,266.72 : x
  2. Step 2: Convert to fraction form
    332,712.56/499,424.02 = 143,266.72/x
  3. Step 3: Cross multiply
    332,712.56x = 499,424.02 × 143,266.72
  4. Step 4: Simplify right side
    332,712.56x = 71,550,841,234.61
  5. Step 5: Solve for x
    x = 71,550,841,234.61/332,712.56
  6. Step 6: Final answer
    x = 215,053.02

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1.5x scale

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.