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Finding the Fourth Proportional to 573,114.64, 790,839.30 and 358,278.34

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Solution

The fourth proportional to 573,114.64, 790,839.30 and 358,278.34 is: 494,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,114.64 : 790,839.30 = 358,278.34 : x
  2. Step 2: Convert to fraction form
    573,114.64/790,839.30 = 358,278.34/x
  3. Step 3: Cross multiply
    573,114.64x = 790,839.30 × 358,278.34
  4. Step 4: Simplify right side
    573,114.64x = 283,340,591,610.76
  5. Step 5: Solve for x
    x = 283,340,591,610.76/573,114.64
  6. Step 6: Final answer
    x = 494,387.29

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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.