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Finding the Fourth Proportional to 348,564.90, 481,018.19 and 195,602.70

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Solution

The fourth proportional to 348,564.90, 481,018.19 and 195,602.70 is: 269,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,564.90 : 481,018.19 = 195,602.70 : x
  2. Step 2: Convert to fraction form
    348,564.90/481,018.19 = 195,602.70/x
  3. Step 3: Cross multiply
    348,564.90x = 481,018.19 × 195,602.70
  4. Step 4: Simplify right side
    348,564.90x = 94,088,456,713.11
  5. Step 5: Solve for x
    x = 94,088,456,713.11/348,564.90
  6. Step 6: Final answer
    x = 269,930.96

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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.