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Finding the Fourth Proportional to 378,263.57, 567,394.32 and 112,044.84

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Solution

The fourth proportional to 378,263.57, 567,394.32 and 112,044.84 is: 168,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,263.57 : 567,394.32 = 112,044.84 : x
  2. Step 2: Convert to fraction form
    378,263.57/567,394.32 = 112,044.84/x
  3. Step 3: Cross multiply
    378,263.57x = 567,394.32 × 112,044.84
  4. Step 4: Simplify right side
    378,263.57x = 63,573,605,801.31
  5. Step 5: Solve for x
    x = 63,573,605,801.31/378,263.57
  6. Step 6: Final answer
    x = 168,066.96

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1.5x scale

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.