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Finding the Fourth Proportional to 1,542.92, 2,314.28 and 568.94

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Solution

The fourth proportional to 1,542.92, 2,314.28 and 568.94 is: 853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.92 : 2,314.28 = 568.94 : x
  2. Step 2: Convert to fraction form
    1,542.92/2,314.28 = 568.94/x
  3. Step 3: Cross multiply
    1,542.92x = 2,314.28 × 568.94
  4. Step 4: Simplify right side
    1,542.92x = 1,316,686.46
  5. Step 5: Solve for x
    x = 1,316,686.46/1,542.92
  6. Step 6: Final answer
    x = 853.37

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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.