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Finding the Fourth Proportional to 1,044.76, 1,566.42 and 558.04

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Solution

The fourth proportional to 1,044.76, 1,566.42 and 558.04 is: 836.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.76 : 1,566.42 = 558.04 : x
  2. Step 2: Convert to fraction form
    1,044.76/1,566.42 = 558.04/x
  3. Step 3: Cross multiply
    1,044.76x = 1,566.42 × 558.04
  4. Step 4: Simplify right side
    1,044.76x = 874,125.02
  5. Step 5: Solve for x
    x = 874,125.02/1,044.76
  6. Step 6: Final answer
    x = 836.68

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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.