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Finding the Fourth Proportional to 494,171.52, 741,441.78 and 194,860.76

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Solution

The fourth proportional to 494,171.52, 741,441.78 and 194,860.76 is: 292,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,171.52 : 741,441.78 = 194,860.76 : x
  2. Step 2: Convert to fraction form
    494,171.52/741,441.78 = 194,860.76/x
  3. Step 3: Cross multiply
    494,171.52x = 741,441.78 × 194,860.76
  4. Step 4: Simplify right side
    494,171.52x = 144,477,908,746.55
  5. Step 5: Solve for x
    x = 144,477,908,746.55/494,171.52
  6. Step 6: Final answer
    x = 292,363.89

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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.