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Finding the Fourth Proportional to 261,427.69, 360,770.18 and 148,250.44

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Solution

The fourth proportional to 261,427.69, 360,770.18 and 148,250.44 is: 204,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,427.69 : 360,770.18 = 148,250.44 : x
  2. Step 2: Convert to fraction form
    261,427.69/360,770.18 = 148,250.44/x
  3. Step 3: Cross multiply
    261,427.69x = 360,770.18 × 148,250.44
  4. Step 4: Simplify right side
    261,427.69x = 53,484,337,923.88
  5. Step 5: Solve for x
    x = 53,484,337,923.88/261,427.69
  6. Step 6: Final answer
    x = 204,585.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.