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Finding the Fourth Proportional to 1,484.04, 2,224.98 and 834.60

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Solution

The fourth proportional to 1,484.04, 2,224.98 and 834.60 is: 1,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.04 : 2,224.98 = 834.60 : x
  2. Step 2: Convert to fraction form
    1,484.04/2,224.98 = 834.60/x
  3. Step 3: Cross multiply
    1,484.04x = 2,224.98 × 834.60
  4. Step 4: Simplify right side
    1,484.04x = 1,856,968.31
  5. Step 5: Solve for x
    x = 1,856,968.31/1,484.04
  6. Step 6: Final answer
    x = 1,251.29

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1.5x scale

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.