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Finding the Fourth Proportional to 566,449.29, 781,608.51 and 324,687.42

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Solution

The fourth proportional to 566,449.29, 781,608.51 and 324,687.42 is: 448,016.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,449.29 : 781,608.51 = 324,687.42 : x
  2. Step 2: Convert to fraction form
    566,449.29/781,608.51 = 324,687.42/x
  3. Step 3: Cross multiply
    566,449.29x = 781,608.51 × 324,687.42
  4. Step 4: Simplify right side
    566,449.29x = 253,778,450,561.94
  5. Step 5: Solve for x
    x = 253,778,450,561.94/566,449.29
  6. Step 6: Final answer
    x = 448,016.19

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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.