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Finding the Fourth Proportional to 543,301.80, 814,296.60 and 276,925.20

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Solution

The fourth proportional to 543,301.80, 814,296.60 and 276,925.20 is: 415,053.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,301.80 : 814,296.60 = 276,925.20 : x
  2. Step 2: Convert to fraction form
    543,301.80/814,296.60 = 276,925.20/x
  3. Step 3: Cross multiply
    543,301.80x = 814,296.60 × 276,925.20
  4. Step 4: Simplify right side
    543,301.80x = 225,499,248,814.32
  5. Step 5: Solve for x
    x = 225,499,248,814.32/543,301.80
  6. Step 6: Final answer
    x = 415,053.38

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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.