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Finding the Fourth Proportional to 1,248.93, 1,873.45 and 468.73

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Solution

The fourth proportional to 1,248.93, 1,873.45 and 468.73 is: 703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248.93 : 1,873.45 = 468.73 : x
  2. Step 2: Convert to fraction form
    1,248.93/1,873.45 = 468.73/x
  3. Step 3: Cross multiply
    1,248.93x = 1,873.45 × 468.73
  4. Step 4: Simplify right side
    1,248.93x = 878,142.22
  5. Step 5: Solve for x
    x = 878,142.22/1,248.93
  6. Step 6: Final answer
    x = 703.12

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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.