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Finding the Fourth Proportional to 451,696.86, 623,337.42 and 247,743.63

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Solution

The fourth proportional to 451,696.86, 623,337.42 and 247,743.63 is: 341,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,696.86 : 623,337.42 = 247,743.63 : x
  2. Step 2: Convert to fraction form
    451,696.86/623,337.42 = 247,743.63/x
  3. Step 3: Cross multiply
    451,696.86x = 623,337.42 × 247,743.63
  4. Step 4: Simplify right side
    451,696.86x = 154,427,875,145.64
  5. Step 5: Solve for x
    x = 154,427,875,145.64/451,696.86
  6. Step 6: Final answer
    x = 341,883.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.