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Finding the Fourth Proportional to 1,246.99, 1,870.69 and 467.26

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Solution

The fourth proportional to 1,246.99, 1,870.69 and 467.26 is: 700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.99 : 1,870.69 = 467.26 : x
  2. Step 2: Convert to fraction form
    1,246.99/1,870.69 = 467.26/x
  3. Step 3: Cross multiply
    1,246.99x = 1,870.69 × 467.26
  4. Step 4: Simplify right side
    1,246.99x = 874,098.61
  5. Step 5: Solve for x
    x = 874,098.61/1,246.99
  6. Step 6: Final answer
    x = 700.97

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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.