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Finding the Fourth Proportional to 1,250.93, 1,876.12 and 471.02

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Solution

The fourth proportional to 1,250.93, 1,876.12 and 471.02 is: 706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.93 : 1,876.12 = 471.02 : x
  2. Step 2: Convert to fraction form
    1,250.93/1,876.12 = 471.02/x
  3. Step 3: Cross multiply
    1,250.93x = 1,876.12 × 471.02
  4. Step 4: Simplify right side
    1,250.93x = 883,683.00
  5. Step 5: Solve for x
    x = 883,683.00/1,250.93
  6. Step 6: Final answer
    x = 706.42

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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.