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Finding the Fourth Proportional to 543,965.60, 815,948.40 and 532,301.60

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Solution

The fourth proportional to 543,965.60, 815,948.40 and 532,301.60 is: 798,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,965.60 : 815,948.40 = 532,301.60 : x
  2. Step 2: Convert to fraction form
    543,965.60/815,948.40 = 532,301.60/x
  3. Step 3: Cross multiply
    543,965.60x = 815,948.40 × 532,301.60
  4. Step 4: Simplify right side
    543,965.60x = 434,330,638,837.44
  5. Step 5: Solve for x
    x = 434,330,638,837.44/543,965.60
  6. Step 6: Final answer
    x = 798,452.40

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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.