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Finding the Fourth Proportional to 269,762.20, 404,643.30 and 238,658.20

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Solution

The fourth proportional to 269,762.20, 404,643.30 and 238,658.20 is: 357,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,762.20 : 404,643.30 = 238,658.20 : x
  2. Step 2: Convert to fraction form
    269,762.20/404,643.30 = 238,658.20/x
  3. Step 3: Cross multiply
    269,762.20x = 404,643.30 × 238,658.20
  4. Step 4: Simplify right side
    269,762.20x = 96,571,441,620.06
  5. Step 5: Solve for x
    x = 96,571,441,620.06/269,762.20
  6. Step 6: Final answer
    x = 357,987.30

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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.