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Finding the Fourth Proportional to 503,740.82, 755,510.09 and 247,466.34

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Solution

The fourth proportional to 503,740.82, 755,510.09 and 247,466.34 is: 371,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,740.82 : 755,510.09 = 247,466.34 : x
  2. Step 2: Convert to fraction form
    503,740.82/755,510.09 = 247,466.34/x
  3. Step 3: Cross multiply
    503,740.82x = 755,510.09 × 247,466.34
  4. Step 4: Simplify right side
    503,740.82x = 186,963,315,568.04
  5. Step 5: Solve for x
    x = 186,963,315,568.04/503,740.82
  6. Step 6: Final answer
    x = 371,149.82

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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.