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Finding the Fourth Proportional to 378,260.28, 567,398.52 and 112,026.24

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Solution

The fourth proportional to 378,260.28, 567,398.52 and 112,026.24 is: 168,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,260.28 : 567,398.52 = 112,026.24 : x
  2. Step 2: Convert to fraction form
    378,260.28/567,398.52 = 112,026.24/x
  3. Step 3: Cross multiply
    378,260.28x = 567,398.52 × 112,026.24
  4. Step 4: Simplify right side
    378,260.28x = 63,563,522,777.16
  5. Step 5: Solve for x
    x = 63,563,522,777.16/378,260.28
  6. Step 6: Final answer
    x = 168,041.76

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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.