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Finding the Fourth Proportional to 1,262.60, 1,894.44 and 482.83

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Solution

The fourth proportional to 1,262.60, 1,894.44 and 482.83 is: 724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.60 : 1,894.44 = 482.83 : x
  2. Step 2: Convert to fraction form
    1,262.60/1,894.44 = 482.83/x
  3. Step 3: Cross multiply
    1,262.60x = 1,894.44 × 482.83
  4. Step 4: Simplify right side
    1,262.60x = 914,693.02
  5. Step 5: Solve for x
    x = 914,693.02/1,262.60
  6. Step 6: Final answer
    x = 724.45

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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.