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Finding the Fourth Proportional to 564,246.72, 846,348.24 and 143,533.56

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Solution

The fourth proportional to 564,246.72, 846,348.24 and 143,533.56 is: 215,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,246.72 : 846,348.24 = 143,533.56 : x
  2. Step 2: Convert to fraction form
    564,246.72/846,348.24 = 143,533.56/x
  3. Step 3: Cross multiply
    564,246.72x = 846,348.24 × 143,533.56
  4. Step 4: Simplify right side
    564,246.72x = 121,479,375,886.93
  5. Step 5: Solve for x
    x = 121,479,375,886.93/564,246.72
  6. Step 6: Final answer
    x = 215,294.78

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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.