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Finding the Fourth Proportional to 1,024.61, 1,537.38 and 375.20

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Solution

The fourth proportional to 1,024.61, 1,537.38 and 375.20 is: 562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.61 : 1,537.38 = 375.20 : x
  2. Step 2: Convert to fraction form
    1,024.61/1,537.38 = 375.20/x
  3. Step 3: Cross multiply
    1,024.61x = 1,537.38 × 375.20
  4. Step 4: Simplify right side
    1,024.61x = 576,824.98
  5. Step 5: Solve for x
    x = 576,824.98/1,024.61
  6. Step 6: Final answer
    x = 562.97

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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.