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Finding the Fourth Proportional to 541,296.60, 811,944.90 and 531,965.40

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Solution

The fourth proportional to 541,296.60, 811,944.90 and 531,965.40 is: 797,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,296.60 : 811,944.90 = 531,965.40 : x
  2. Step 2: Convert to fraction form
    541,296.60/811,944.90 = 531,965.40/x
  3. Step 3: Cross multiply
    541,296.60x = 811,944.90 × 531,965.40
  4. Step 4: Simplify right side
    541,296.60x = 431,926,593,506.46
  5. Step 5: Solve for x
    x = 431,926,593,506.46/541,296.60
  6. Step 6: Final answer
    x = 797,948.10

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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.