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Finding the Fourth Proportional to 257,333.22, 386,028.33 and 88,834.44

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Solution

The fourth proportional to 257,333.22, 386,028.33 and 88,834.44 is: 133,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,333.22 : 386,028.33 = 88,834.44 : x
  2. Step 2: Convert to fraction form
    257,333.22/386,028.33 = 88,834.44/x
  3. Step 3: Cross multiply
    257,333.22x = 386,028.33 × 88,834.44
  4. Step 4: Simplify right side
    257,333.22x = 34,292,610,519.69
  5. Step 5: Solve for x
    x = 34,292,610,519.69/257,333.22
  6. Step 6: Final answer
    x = 133,261.50

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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.