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Finding the Fourth Proportional to 609,574.40, 914,354.91 and 183,091.78

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Solution

The fourth proportional to 609,574.40, 914,354.91 and 183,091.78 is: 274,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,574.40 : 914,354.91 = 183,091.78 : x
  2. Step 2: Convert to fraction form
    609,574.40/914,354.91 = 183,091.78/x
  3. Step 3: Cross multiply
    609,574.40x = 914,354.91 × 183,091.78
  4. Step 4: Simplify right side
    609,574.40x = 167,410,868,023.64
  5. Step 5: Solve for x
    x = 167,410,868,023.64/609,574.40
  6. Step 6: Final answer
    x = 274,635.66

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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.