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Finding the Fourth Proportional to 397,677.96, 548,617.14 and 268,574.46

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Solution

The fourth proportional to 397,677.96, 548,617.14 and 268,574.46 is: 370,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,677.96 : 548,617.14 = 268,574.46 : x
  2. Step 2: Convert to fraction form
    397,677.96/548,617.14 = 268,574.46/x
  3. Step 3: Cross multiply
    397,677.96x = 548,617.14 × 268,574.46
  4. Step 4: Simplify right side
    397,677.96x = 147,344,552,122.24
  5. Step 5: Solve for x
    x = 147,344,552,122.24/397,677.96
  6. Step 6: Final answer
    x = 370,512.24

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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.