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Finding the Fourth Proportional to 277,599.65, 383,733.11 and 247,681.49

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Solution

The fourth proportional to 277,599.65, 383,733.11 and 247,681.49 is: 342,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,599.65 : 383,733.11 = 247,681.49 : x
  2. Step 2: Convert to fraction form
    277,599.65/383,733.11 = 247,681.49/x
  3. Step 3: Cross multiply
    277,599.65x = 383,733.11 × 247,681.49
  4. Step 4: Simplify right side
    277,599.65x = 95,043,587,147.67
  5. Step 5: Solve for x
    x = 95,043,587,147.67/277,599.65
  6. Step 6: Final answer
    x = 342,376.47

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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.