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Finding the Fourth Proportional to 1,706.13, 2,559.33 and 610.74

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Solution

The fourth proportional to 1,706.13, 2,559.33 and 610.74 is: 916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.13 : 2,559.33 = 610.74 : x
  2. Step 2: Convert to fraction form
    1,706.13/2,559.33 = 610.74/x
  3. Step 3: Cross multiply
    1,706.13x = 2,559.33 × 610.74
  4. Step 4: Simplify right side
    1,706.13x = 1,563,085.20
  5. Step 5: Solve for x
    x = 1,563,085.20/1,706.13
  6. Step 6: Final answer
    x = 916.16

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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.