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Finding the Fourth Proportional to 277,942.50, 416,909.34 and 88,400.13

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Solution

The fourth proportional to 277,942.50, 416,909.34 and 88,400.13 is: 132,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,942.50 : 416,909.34 = 88,400.13 : x
  2. Step 2: Convert to fraction form
    277,942.50/416,909.34 = 88,400.13/x
  3. Step 3: Cross multiply
    277,942.50x = 416,909.34 × 88,400.13
  4. Step 4: Simplify right side
    277,942.50x = 36,854,839,854.21
  5. Step 5: Solve for x
    x = 36,854,839,854.21/277,942.50
  6. Step 6: Final answer
    x = 132,598.79

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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.