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Finding the Fourth Proportional to 1,247.73, 1,870.99 and 467.50

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Solution

The fourth proportional to 1,247.73, 1,870.99 and 467.50 is: 701.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247.73 : 1,870.99 = 467.50 : x
  2. Step 2: Convert to fraction form
    1,247.73/1,870.99 = 467.50/x
  3. Step 3: Cross multiply
    1,247.73x = 1,870.99 × 467.50
  4. Step 4: Simplify right side
    1,247.73x = 874,687.83
  5. Step 5: Solve for x
    x = 874,687.83/1,247.73
  6. Step 6: Final answer
    x = 701.02

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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.