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Finding the Fourth Proportional to 1,246.82, 1,870.54 and 466.83

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Solution

The fourth proportional to 1,246.82, 1,870.54 and 466.83 is: 700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.82 : 1,870.54 = 466.83 : x
  2. Step 2: Convert to fraction form
    1,246.82/1,870.54 = 466.83/x
  3. Step 3: Cross multiply
    1,246.82x = 1,870.54 × 466.83
  4. Step 4: Simplify right side
    1,246.82x = 873,223.02
  5. Step 5: Solve for x
    x = 873,223.02/1,246.82
  6. Step 6: Final answer
    x = 700.36

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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.