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Finding the Fourth Proportional to 1,143.04, 1,714.20 and 565.84

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Solution

The fourth proportional to 1,143.04, 1,714.20 and 565.84 is: 848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143.04 : 1,714.20 = 565.84 : x
  2. Step 2: Convert to fraction form
    1,143.04/1,714.20 = 565.84/x
  3. Step 3: Cross multiply
    1,143.04x = 1,714.20 × 565.84
  4. Step 4: Simplify right side
    1,143.04x = 969,962.93
  5. Step 5: Solve for x
    x = 969,962.93/1,143.04
  6. Step 6: Final answer
    x = 848.58

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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.