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Finding the Fourth Proportional to 451,959.17, 623,701.94 and 248,013.50

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Solution

The fourth proportional to 451,959.17, 623,701.94 and 248,013.50 is: 342,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,959.17 : 623,701.94 = 248,013.50 : x
  2. Step 2: Convert to fraction form
    451,959.17/623,701.94 = 248,013.50/x
  3. Step 3: Cross multiply
    451,959.17x = 623,701.94 × 248,013.50
  4. Step 4: Simplify right side
    451,959.17x = 154,686,496,737.61
  5. Step 5: Solve for x
    x = 154,686,496,737.61/451,959.17
  6. Step 6: Final answer
    x = 342,257.68

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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.