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Finding the Fourth Proportional to 261,595.28, 360,990.60 and 148,424.24

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Solution

The fourth proportional to 261,595.28, 360,990.60 and 148,424.24 is: 204,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,595.28 : 360,990.60 = 148,424.24 : x
  2. Step 2: Convert to fraction form
    261,595.28/360,990.60 = 148,424.24/x
  3. Step 3: Cross multiply
    261,595.28x = 360,990.60 × 148,424.24
  4. Step 4: Simplify right side
    261,595.28x = 53,579,755,452.14
  5. Step 5: Solve for x
    x = 53,579,755,452.14/261,595.28
  6. Step 6: Final answer
    x = 204,819.27

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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.