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Finding the Fourth Proportional to 746,983, 1,120,484.22 and 248,347

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Solution

The fourth proportional to 746,983, 1,120,484.22 and 248,347 is: 372,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,983 : 1,120,484.22 = 248,347 : x
  2. Step 2: Convert to fraction form
    746,983/1,120,484.22 = 248,347/x
  3. Step 3: Cross multiply
    746,983x = 1,120,484.22 × 248,347
  4. Step 4: Simplify right side
    746,983x = 278,268,894,584.34
  5. Step 5: Solve for x
    x = 278,268,894,584.34/746,983
  6. Step 6: Final answer
    x = 372,523.73

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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.