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Finding the Fourth Proportional to 1,046.99, 1,569.03 and 461.11

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Solution

The fourth proportional to 1,046.99, 1,569.03 and 461.11 is: 691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.99 : 1,569.03 = 461.11 : x
  2. Step 2: Convert to fraction form
    1,046.99/1,569.03 = 461.11/x
  3. Step 3: Cross multiply
    1,046.99x = 1,569.03 × 461.11
  4. Step 4: Simplify right side
    1,046.99x = 723,497.38
  5. Step 5: Solve for x
    x = 723,497.38/1,046.99
  6. Step 6: Final answer
    x = 691.03

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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.