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Finding the Fourth Proportional to 1,250.22, 1,873.92 and 469.46

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Solution

The fourth proportional to 1,250.22, 1,873.92 and 469.46 is: 703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.22 : 1,873.92 = 469.46 : x
  2. Step 2: Convert to fraction form
    1,250.22/1,873.92 = 469.46/x
  3. Step 3: Cross multiply
    1,250.22x = 1,873.92 × 469.46
  4. Step 4: Simplify right side
    1,250.22x = 879,730.48
  5. Step 5: Solve for x
    x = 879,730.48/1,250.22
  6. Step 6: Final answer
    x = 703.66

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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.