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Finding the Fourth Proportional to 483,938.96, 726,056.13 and 247,447.76

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Solution

The fourth proportional to 483,938.96, 726,056.13 and 247,447.76 is: 371,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,938.96 : 726,056.13 = 247,447.76 : x
  2. Step 2: Convert to fraction form
    483,938.96/726,056.13 = 247,447.76/x
  3. Step 3: Cross multiply
    483,938.96x = 726,056.13 × 247,447.76
  4. Step 4: Simplify right side
    483,938.96x = 179,660,963,002.77
  5. Step 5: Solve for x
    x = 179,660,963,002.77/483,938.96
  6. Step 6: Final answer
    x = 371,247.16

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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.