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Finding the Fourth Proportional to 1,232.86, 1,848.79 and 410.98

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Solution

The fourth proportional to 1,232.86, 1,848.79 and 410.98 is: 616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.86 : 1,848.79 = 410.98 : x
  2. Step 2: Convert to fraction form
    1,232.86/1,848.79 = 410.98/x
  3. Step 3: Cross multiply
    1,232.86x = 1,848.79 × 410.98
  4. Step 4: Simplify right side
    1,232.86x = 759,815.71
  5. Step 5: Solve for x
    x = 759,815.71/1,232.86
  6. Step 6: Final answer
    x = 616.30

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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.