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Finding the Fourth Proportional to 451,792.30, 623,478.24 and 247,843.66

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Solution

The fourth proportional to 451,792.30, 623,478.24 and 247,843.66 is: 342,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,792.30 : 623,478.24 = 247,843.66 : x
  2. Step 2: Convert to fraction form
    451,792.30/623,478.24 = 247,843.66/x
  3. Step 3: Cross multiply
    451,792.30x = 623,478.24 × 247,843.66
  4. Step 4: Simplify right side
    451,792.30x = 154,525,128,931.96
  5. Step 5: Solve for x
    x = 154,525,128,931.96/451,792.30
  6. Step 6: Final answer
    x = 342,026.92

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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.