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Finding the Fourth Proportional to 348,850, 523,353 and 127,234

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Solution

The fourth proportional to 348,850, 523,353 and 127,234 is: 190,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,850 : 523,353 = 127,234 : x
  2. Step 2: Convert to fraction form
    348,850/523,353 = 127,234/x
  3. Step 3: Cross multiply
    348,850x = 523,353 × 127,234
  4. Step 4: Simplify right side
    348,850x = 66,588,295,602
  5. Step 5: Solve for x
    x = 66,588,295,602/348,850
  6. Step 6: Final answer
    x = 190,879.45

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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.