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Finding the Fourth Proportional to 238,480.20, 357,064.20 and 226,670.40

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Solution

The fourth proportional to 238,480.20, 357,064.20 and 226,670.40 is: 339,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,480.20 : 357,064.20 = 226,670.40 : x
  2. Step 2: Convert to fraction form
    238,480.20/357,064.20 = 226,670.40/x
  3. Step 3: Cross multiply
    238,480.20x = 357,064.20 × 226,670.40
  4. Step 4: Simplify right side
    238,480.20x = 80,935,885,039.68
  5. Step 5: Solve for x
    x = 80,935,885,039.68/238,480.20
  6. Step 6: Final answer
    x = 339,381.99

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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.