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Finding the Fourth Proportional to 442,750.24, 611,063.76 and 261,481.76

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Solution

The fourth proportional to 442,750.24, 611,063.76 and 261,481.76 is: 360,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,750.24 : 611,063.76 = 261,481.76 : x
  2. Step 2: Convert to fraction form
    442,750.24/611,063.76 = 261,481.76/x
  3. Step 3: Cross multiply
    442,750.24x = 611,063.76 × 261,481.76
  4. Step 4: Simplify right side
    442,750.24x = 159,782,027,437.02
  5. Step 5: Solve for x
    x = 159,782,027,437.02/442,750.24
  6. Step 6: Final answer
    x = 360,885.24

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1.5x scale

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.