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Finding the Fourth Proportional to 1,134.66, 1,700.55 and 484.74

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Solution

The fourth proportional to 1,134.66, 1,700.55 and 484.74 is: 726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.66 : 1,700.55 = 484.74 : x
  2. Step 2: Convert to fraction form
    1,134.66/1,700.55 = 484.74/x
  3. Step 3: Cross multiply
    1,134.66x = 1,700.55 × 484.74
  4. Step 4: Simplify right side
    1,134.66x = 824,324.61
  5. Step 5: Solve for x
    x = 824,324.61/1,134.66
  6. Step 6: Final answer
    x = 726.49

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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.