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Finding the Fourth Proportional to 247,010.70, 370,517.52 and 69,519.30

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Solution

The fourth proportional to 247,010.70, 370,517.52 and 69,519.30 is: 104,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,010.70 : 370,517.52 = 69,519.30 : x
  2. Step 2: Convert to fraction form
    247,010.70/370,517.52 = 69,519.30/x
  3. Step 3: Cross multiply
    247,010.70x = 370,517.52 × 69,519.30
  4. Step 4: Simplify right side
    247,010.70x = 25,758,118,628.14
  5. Step 5: Solve for x
    x = 25,758,118,628.14/247,010.70
  6. Step 6: Final answer
    x = 104,279.36

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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.