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Finding the Fourth Proportional to 573,072.28, 790,843.53 and 358,338.04

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Solution

The fourth proportional to 573,072.28, 790,843.53 and 358,338.04 is: 494,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,072.28 : 790,843.53 = 358,338.04 : x
  2. Step 2: Convert to fraction form
    573,072.28/790,843.53 = 358,338.04/x
  3. Step 3: Cross multiply
    573,072.28x = 790,843.53 × 358,338.04
  4. Step 4: Simplify right side
    573,072.28x = 283,389,319,853.54
  5. Step 5: Solve for x
    x = 283,389,319,853.54/573,072.28
  6. Step 6: Final answer
    x = 494,508.86

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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.