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Finding the Fourth Proportional to 348,363.59, 480,747.35 and 195,435.81

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Solution

The fourth proportional to 348,363.59, 480,747.35 and 195,435.81 is: 269,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,363.59 : 480,747.35 = 195,435.81 : x
  2. Step 2: Convert to fraction form
    348,363.59/480,747.35 = 195,435.81/x
  3. Step 3: Cross multiply
    348,363.59x = 480,747.35 × 195,435.81
  4. Step 4: Simplify right side
    348,363.59x = 93,955,248,241.19
  5. Step 5: Solve for x
    x = 93,955,248,241.19/348,363.59
  6. Step 6: Final answer
    x = 269,704.56

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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.