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Finding the Fourth Proportional to 1,132.84, 1,700.16 and 483.76

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Solution

The fourth proportional to 1,132.84, 1,700.16 and 483.76 is: 726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.84 : 1,700.16 = 483.76 : x
  2. Step 2: Convert to fraction form
    1,132.84/1,700.16 = 483.76/x
  3. Step 3: Cross multiply
    1,132.84x = 1,700.16 × 483.76
  4. Step 4: Simplify right side
    1,132.84x = 822,469.40
  5. Step 5: Solve for x
    x = 822,469.40/1,132.84
  6. Step 6: Final answer
    x = 726.02

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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.