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Finding the Fourth Proportional to 378,527.70, 567,026.10 and 235,935.30

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Solution

The fourth proportional to 378,527.70, 567,026.10 and 235,935.30 is: 353,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,527.70 : 567,026.10 = 235,935.30 : x
  2. Step 2: Convert to fraction form
    378,527.70/567,026.10 = 235,935.30/x
  3. Step 3: Cross multiply
    378,527.70x = 567,026.10 × 235,935.30
  4. Step 4: Simplify right side
    378,527.70x = 133,781,473,011.33
  5. Step 5: Solve for x
    x = 133,781,473,011.33/378,527.70
  6. Step 6: Final answer
    x = 353,425.85

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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.