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Finding the Fourth Proportional to 1,234.53, 1,703.70 and 737.06

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Solution

The fourth proportional to 1,234.53, 1,703.70 and 737.06 is: 1,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.53 : 1,703.70 = 737.06 : x
  2. Step 2: Convert to fraction form
    1,234.53/1,703.70 = 737.06/x
  3. Step 3: Cross multiply
    1,234.53x = 1,703.70 × 737.06
  4. Step 4: Simplify right side
    1,234.53x = 1,255,720.60
  5. Step 5: Solve for x
    x = 1,255,720.60/1,234.53
  6. Step 6: Final answer
    x = 1,017.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.