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Finding the Fourth Proportional to 238,291.40, 357,519.13 and 149,440.88

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Solution

The fourth proportional to 238,291.40, 357,519.13 and 149,440.88 is: 224,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,291.40 : 357,519.13 = 149,440.88 : x
  2. Step 2: Convert to fraction form
    238,291.40/357,519.13 = 149,440.88/x
  3. Step 3: Cross multiply
    238,291.40x = 357,519.13 × 149,440.88
  4. Step 4: Simplify right side
    238,291.40x = 53,427,973,924.23
  5. Step 5: Solve for x
    x = 53,427,973,924.23/238,291.40
  6. Step 6: Final answer
    x = 224,212.76

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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.