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Finding the Fourth Proportional to 378,597.22, 567,495.78 and 165,178.22

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Solution

The fourth proportional to 378,597.22, 567,495.78 and 165,178.22 is: 247,592.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,597.22 : 567,495.78 = 165,178.22 : x
  2. Step 2: Convert to fraction form
    378,597.22/567,495.78 = 165,178.22/x
  3. Step 3: Cross multiply
    378,597.22x = 567,495.78 × 165,178.22
  4. Step 4: Simplify right side
    378,597.22x = 93,737,942,797.91
  5. Step 5: Solve for x
    x = 93,737,942,797.91/378,597.22
  6. Step 6: Final answer
    x = 247,592.79

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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.