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Finding the Fourth Proportional to 272,611.60, 408,139.80 and 241,507.60

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Solution

The fourth proportional to 272,611.60, 408,139.80 and 241,507.60 is: 361,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,611.60 : 408,139.80 = 241,507.60 : x
  2. Step 2: Convert to fraction form
    272,611.60/408,139.80 = 241,507.60/x
  3. Step 3: Cross multiply
    272,611.60x = 408,139.80 × 241,507.60
  4. Step 4: Simplify right side
    272,611.60x = 98,568,863,562.48
  5. Step 5: Solve for x
    x = 98,568,863,562.48/272,611.60
  6. Step 6: Final answer
    x = 361,572.52

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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.