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Finding the Fourth Proportional to 262,240.76, 393,351.01 and 75,252.26

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Solution

The fourth proportional to 262,240.76, 393,351.01 and 75,252.26 is: 112,875.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,240.76 : 393,351.01 = 75,252.26 : x
  2. Step 2: Convert to fraction form
    262,240.76/393,351.01 = 75,252.26/x
  3. Step 3: Cross multiply
    262,240.76x = 393,351.01 × 75,252.26
  4. Step 4: Simplify right side
    262,240.76x = 29,600,550,132.77
  5. Step 5: Solve for x
    x = 29,600,550,132.77/262,240.76
  6. Step 6: Final answer
    x = 112,875.48

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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.