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Finding the Fourth Proportional to 296,850.40, 445,275.60 and 75,234.40

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Solution

The fourth proportional to 296,850.40, 445,275.60 and 75,234.40 is: 112,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,850.40 : 445,275.60 = 75,234.40 : x
  2. Step 2: Convert to fraction form
    296,850.40/445,275.60 = 75,234.40/x
  3. Step 3: Cross multiply
    296,850.40x = 445,275.60 × 75,234.40
  4. Step 4: Simplify right side
    296,850.40x = 33,500,042,600.64
  5. Step 5: Solve for x
    x = 33,500,042,600.64/296,850.40
  6. Step 6: Final answer
    x = 112,851.60

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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.