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Finding the Fourth Proportional to 1,044.31, 1,566.06 and 557.10

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Solution

The fourth proportional to 1,044.31, 1,566.06 and 557.10 is: 835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.31 : 1,566.06 = 557.10 : x
  2. Step 2: Convert to fraction form
    1,044.31/1,566.06 = 557.10/x
  3. Step 3: Cross multiply
    1,044.31x = 1,566.06 × 557.10
  4. Step 4: Simplify right side
    1,044.31x = 872,444.20
  5. Step 5: Solve for x
    x = 872,444.20/1,044.31
  6. Step 6: Final answer
    x = 835.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.