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Finding the Fourth Proportional to 451,963.54, 623,707.98 and 248,017.88

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Solution

The fourth proportional to 451,963.54, 623,707.98 and 248,017.88 is: 342,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,963.54 : 623,707.98 = 248,017.88 : x
  2. Step 2: Convert to fraction form
    451,963.54/623,707.98 = 248,017.88/x
  3. Step 3: Cross multiply
    451,963.54x = 623,707.98 × 248,017.88
  4. Step 4: Simplify right side
    451,963.54x = 154,690,730,938.68
  5. Step 5: Solve for x
    x = 154,690,730,938.68/451,963.54
  6. Step 6: Final answer
    x = 342,263.74

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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.