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Finding the Fourth Proportional to 269,686.20, 404,529.30 and 238,582.20

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Solution

The fourth proportional to 269,686.20, 404,529.30 and 238,582.20 is: 357,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,686.20 : 404,529.30 = 238,582.20 : x
  2. Step 2: Convert to fraction form
    269,686.20/404,529.30 = 238,582.20/x
  3. Step 3: Cross multiply
    269,686.20x = 404,529.30 × 238,582.20
  4. Step 4: Simplify right side
    269,686.20x = 96,513,490,358.46
  5. Step 5: Solve for x
    x = 96,513,490,358.46/269,686.20
  6. Step 6: Final answer
    x = 357,873.30

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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.