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Finding the Fourth Proportional to 262,237.40, 393,358.26 and 75,254.84

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Solution

The fourth proportional to 262,237.40, 393,358.26 and 75,254.84 is: 112,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,237.40 : 393,358.26 = 75,254.84 : x
  2. Step 2: Convert to fraction form
    262,237.40/393,358.26 = 75,254.84/x
  3. Step 3: Cross multiply
    262,237.40x = 393,358.26 × 75,254.84
  4. Step 4: Simplify right side
    262,237.40x = 29,602,112,918.98
  5. Step 5: Solve for x
    x = 29,602,112,918.98/262,237.40
  6. Step 6: Final answer
    x = 112,882.88

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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.