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Finding the Fourth Proportional to 1,143.80, 1,714.84 and 566.24

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Solution

The fourth proportional to 1,143.80, 1,714.84 and 566.24 is: 848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143.80 : 1,714.84 = 566.24 : x
  2. Step 2: Convert to fraction form
    1,143.80/1,714.84 = 566.24/x
  3. Step 3: Cross multiply
    1,143.80x = 1,714.84 × 566.24
  4. Step 4: Simplify right side
    1,143.80x = 971,011.00
  5. Step 5: Solve for x
    x = 971,011.00/1,143.80
  6. Step 6: Final answer
    x = 848.93

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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.