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Finding the Fourth Proportional to 556,766.06, 768,294.92 and 327,332.75

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Solution

The fourth proportional to 556,766.06, 768,294.92 and 327,332.75 is: 451,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,766.06 : 768,294.92 = 327,332.75 : x
  2. Step 2: Convert to fraction form
    556,766.06/768,294.92 = 327,332.75/x
  3. Step 3: Cross multiply
    556,766.06x = 768,294.92 × 327,332.75
  4. Step 4: Simplify right side
    556,766.06x = 251,488,085,951.49
  5. Step 5: Solve for x
    x = 251,488,085,951.49/556,766.06
  6. Step 6: Final answer
    x = 451,694.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.