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Finding the Fourth Proportional to 225,693.68, 338,573.33 and 120,455.24

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Solution

The fourth proportional to 225,693.68, 338,573.33 and 120,455.24 is: 180,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,693.68 : 338,573.33 = 120,455.24 : x
  2. Step 2: Convert to fraction form
    225,693.68/338,573.33 = 120,455.24/x
  3. Step 3: Cross multiply
    225,693.68x = 338,573.33 × 120,455.24
  4. Step 4: Simplify right side
    225,693.68x = 40,782,932,870.32
  5. Step 5: Solve for x
    x = 40,782,932,870.32/225,693.68
  6. Step 6: Final answer
    x = 180,700.37

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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.