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Finding the Fourth Proportional to 360,775.42, 541,349.85 and 261,752.92

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Solution

The fourth proportional to 360,775.42, 541,349.85 and 261,752.92 is: 392,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,775.42 : 541,349.85 = 261,752.92 : x
  2. Step 2: Convert to fraction form
    360,775.42/541,349.85 = 261,752.92/x
  3. Step 3: Cross multiply
    360,775.42x = 541,349.85 × 261,752.92
  4. Step 4: Simplify right side
    360,775.42x = 141,699,903,979.06
  5. Step 5: Solve for x
    x = 141,699,903,979.06/360,775.42
  6. Step 6: Final answer
    x = 392,764.85

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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.