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Finding the Fourth Proportional to 348,577.50, 481,036.95 and 189,601.50

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Solution

The fourth proportional to 348,577.50, 481,036.95 and 189,601.50 is: 261,650.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,577.50 : 481,036.95 = 189,601.50 : x
  2. Step 2: Convert to fraction form
    348,577.50/481,036.95 = 189,601.50/x
  3. Step 3: Cross multiply
    348,577.50x = 481,036.95 × 189,601.50
  4. Step 4: Simplify right side
    348,577.50x = 91,205,327,275.43
  5. Step 5: Solve for x
    x = 91,205,327,275.43/348,577.50
  6. Step 6: Final answer
    x = 261,650.07

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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.