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Finding the Fourth Proportional to 1,133.59, 1,700.66 and 484.38

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Solution

The fourth proportional to 1,133.59, 1,700.66 and 484.38 is: 726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.59 : 1,700.66 = 484.38 : x
  2. Step 2: Convert to fraction form
    1,133.59/1,700.66 = 484.38/x
  3. Step 3: Cross multiply
    1,133.59x = 1,700.66 × 484.38
  4. Step 4: Simplify right side
    1,133.59x = 823,754.77
  5. Step 5: Solve for x
    x = 823,754.77/1,133.59
  6. Step 6: Final answer
    x = 726.68

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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.