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Finding the Fourth Proportional to 1,711.48, 2,567.58 and 558.04

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Solution

The fourth proportional to 1,711.48, 2,567.58 and 558.04 is: 837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.48 : 2,567.58 = 558.04 : x
  2. Step 2: Convert to fraction form
    1,711.48/2,567.58 = 558.04/x
  3. Step 3: Cross multiply
    1,711.48x = 2,567.58 × 558.04
  4. Step 4: Simplify right side
    1,711.48x = 1,432,812.34
  5. Step 5: Solve for x
    x = 1,432,812.34/1,711.48
  6. Step 6: Final answer
    x = 837.18

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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.