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Finding the Fourth Proportional to 376,346.12, 564,400.22 and 123,584.94

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Solution

The fourth proportional to 376,346.12, 564,400.22 and 123,584.94 is: 185,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,346.12 : 564,400.22 = 123,584.94 : x
  2. Step 2: Convert to fraction form
    376,346.12/564,400.22 = 123,584.94/x
  3. Step 3: Cross multiply
    376,346.12x = 564,400.22 × 123,584.94
  4. Step 4: Simplify right side
    376,346.12x = 69,751,366,706.76
  5. Step 5: Solve for x
    x = 69,751,366,706.76/376,346.12
  6. Step 6: Final answer
    x = 185,338.35

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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.