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Finding the Fourth Proportional to 1,114.47, 1,670.09 and 566.46

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Solution

The fourth proportional to 1,114.47, 1,670.09 and 566.46 is: 848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.47 : 1,670.09 = 566.46 : x
  2. Step 2: Convert to fraction form
    1,114.47/1,670.09 = 566.46/x
  3. Step 3: Cross multiply
    1,114.47x = 1,670.09 × 566.46
  4. Step 4: Simplify right side
    1,114.47x = 946,036.35
  5. Step 5: Solve for x
    x = 946,036.35/1,114.47
  6. Step 6: Final answer
    x = 848.87

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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.