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Finding the Fourth Proportional to 416,365.92, 574,611.52 and 235,011.68

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Solution

The fourth proportional to 416,365.92, 574,611.52 and 235,011.68 is: 324,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,365.92 : 574,611.52 = 235,011.68 : x
  2. Step 2: Convert to fraction form
    416,365.92/574,611.52 = 235,011.68/x
  3. Step 3: Cross multiply
    416,365.92x = 574,611.52 × 235,011.68
  4. Step 4: Simplify right side
    416,365.92x = 135,040,417,797.41
  5. Step 5: Solve for x
    x = 135,040,417,797.41/416,365.92
  6. Step 6: Final answer
    x = 324,331.10

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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.