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Finding the Fourth Proportional to 233,248.28, 349,888.31 and 79,311.58

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Solution

The fourth proportional to 233,248.28, 349,888.31 and 79,311.58 is: 118,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,248.28 : 349,888.31 = 79,311.58 : x
  2. Step 2: Convert to fraction form
    233,248.28/349,888.31 = 79,311.58/x
  3. Step 3: Cross multiply
    233,248.28x = 349,888.31 × 79,311.58
  4. Step 4: Simplify right side
    233,248.28x = 27,750,196,064.39
  5. Step 5: Solve for x
    x = 27,750,196,064.39/233,248.28
  6. Step 6: Final answer
    x = 118,972.78

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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.