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Finding the Fourth Proportional to 308,373.83, 462,963.60 and 247,616.54

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Solution

The fourth proportional to 308,373.83, 462,963.60 and 247,616.54 is: 371,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,373.83 : 462,963.60 = 247,616.54 : x
  2. Step 2: Convert to fraction form
    308,373.83/462,963.60 = 247,616.54/x
  3. Step 3: Cross multiply
    308,373.83x = 462,963.60 × 247,616.54
  4. Step 4: Simplify right side
    308,373.83x = 114,637,446,803.41
  5. Step 5: Solve for x
    x = 114,637,446,803.41/308,373.83
  6. Step 6: Final answer
    x = 371,748.29

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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.