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Finding the Fourth Proportional to 414,832.74, 572,230.64 and 261,816.56

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Solution

The fourth proportional to 414,832.74, 572,230.64 and 261,816.56 is: 361,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,832.74 : 572,230.64 = 261,816.56 : x
  2. Step 2: Convert to fraction form
    414,832.74/572,230.64 = 261,816.56/x
  3. Step 3: Cross multiply
    414,832.74x = 572,230.64 × 261,816.56
  4. Step 4: Simplify right side
    414,832.74x = 149,819,457,691.40
  5. Step 5: Solve for x
    x = 149,819,457,691.40/414,832.74
  6. Step 6: Final answer
    x = 361,156.30

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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.