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Finding the Fourth Proportional to 348,267.90, 480,614.86 and 203,069.78

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Solution

The fourth proportional to 348,267.90, 480,614.86 and 203,069.78 is: 280,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,267.90 : 480,614.86 = 203,069.78 : x
  2. Step 2: Convert to fraction form
    348,267.90/480,614.86 = 203,069.78/x
  3. Step 3: Cross multiply
    348,267.90x = 480,614.86 × 203,069.78
  4. Step 4: Simplify right side
    348,267.90x = 97,598,353,884.93
  5. Step 5: Solve for x
    x = 97,598,353,884.93/348,267.90
  6. Step 6: Final answer
    x = 280,239.30

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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.