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Finding the Fourth Proportional to 267,518.76, 400,995.17 and 98,930.76

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Solution

The fourth proportional to 267,518.76, 400,995.17 and 98,930.76 is: 148,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,518.76 : 400,995.17 = 98,930.76 : x
  2. Step 2: Convert to fraction form
    267,518.76/400,995.17 = 98,930.76/x
  3. Step 3: Cross multiply
    267,518.76x = 400,995.17 × 98,930.76
  4. Step 4: Simplify right side
    267,518.76x = 39,670,756,924.43
  5. Step 5: Solve for x
    x = 39,670,756,924.43/267,518.76
  6. Step 6: Final answer
    x = 148,291.50

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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.