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Finding the Fourth Proportional to 1,234.04, 1,849.98 and 464

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Solution

The fourth proportional to 1,234.04, 1,849.98 and 464 is: 695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.04 : 1,849.98 = 464 : x
  2. Step 2: Convert to fraction form
    1,234.04/1,849.98 = 464/x
  3. Step 3: Cross multiply
    1,234.04x = 1,849.98 × 464
  4. Step 4: Simplify right side
    1,234.04x = 858,390.72
  5. Step 5: Solve for x
    x = 858,390.72/1,234.04
  6. Step 6: Final answer
    x = 695.59

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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.