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Finding the Fourth Proportional to 494,315.68, 741,512.40 and 194,775.52

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Solution

The fourth proportional to 494,315.68, 741,512.40 and 194,775.52 is: 292,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,315.68 : 741,512.40 = 194,775.52 : x
  2. Step 2: Convert to fraction form
    494,315.68/741,512.40 = 194,775.52/x
  3. Step 3: Cross multiply
    494,315.68x = 741,512.40 × 194,775.52
  4. Step 4: Simplify right side
    494,315.68x = 144,428,463,296.45
  5. Step 5: Solve for x
    x = 144,428,463,296.45/494,315.68
  6. Step 6: Final answer
    x = 292,178.60

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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.