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Finding the Fourth Proportional to 573,713.52, 790,894.68 and 379,796.28

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Solution

The fourth proportional to 573,713.52, 790,894.68 and 379,796.28 is: 523,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,713.52 : 790,894.68 = 379,796.28 : x
  2. Step 2: Convert to fraction form
    573,713.52/790,894.68 = 379,796.28/x
  3. Step 3: Cross multiply
    573,713.52x = 790,894.68 × 379,796.28
  4. Step 4: Simplify right side
    573,713.52x = 300,378,857,335.79
  5. Step 5: Solve for x
    x = 300,378,857,335.79/573,713.52
  6. Step 6: Final answer
    x = 523,569.42

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Similar ratio
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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.