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Finding the Fourth Proportional to 1,022.92, 1,534.14 and 373.80

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Solution

The fourth proportional to 1,022.92, 1,534.14 and 373.80 is: 560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.92 : 1,534.14 = 373.80 : x
  2. Step 2: Convert to fraction form
    1,022.92/1,534.14 = 373.80/x
  3. Step 3: Cross multiply
    1,022.92x = 1,534.14 × 373.80
  4. Step 4: Simplify right side
    1,022.92x = 573,461.53
  5. Step 5: Solve for x
    x = 573,461.53/1,022.92
  6. Step 6: Final answer
    x = 560.61

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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.