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Finding the Fourth Proportional to 348,674.86, 522,809.07 and 135,193.38

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Solution

The fourth proportional to 348,674.86, 522,809.07 and 135,193.38 is: 202,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,674.86 : 522,809.07 = 135,193.38 : x
  2. Step 2: Convert to fraction form
    348,674.86/522,809.07 = 135,193.38/x
  3. Step 3: Cross multiply
    348,674.86x = 522,809.07 × 135,193.38
  4. Step 4: Simplify right side
    348,674.86x = 70,680,325,267.96
  5. Step 5: Solve for x
    x = 70,680,325,267.96/348,674.86
  6. Step 6: Final answer
    x = 202,711.27

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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.