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Finding the Fourth Proportional to 1,022.65, 1,534.17 and 373.84

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Solution

The fourth proportional to 1,022.65, 1,534.17 and 373.84 is: 560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.65 : 1,534.17 = 373.84 : x
  2. Step 2: Convert to fraction form
    1,022.65/1,534.17 = 373.84/x
  3. Step 3: Cross multiply
    1,022.65x = 1,534.17 × 373.84
  4. Step 4: Simplify right side
    1,022.65x = 573,534.11
  5. Step 5: Solve for x
    x = 573,534.11/1,022.65
  6. Step 6: Final answer
    x = 560.83

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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.