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Finding the Fourth Proportional to 274,618.02, 412,617.15 and 174,822.78

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Solution

The fourth proportional to 274,618.02, 412,617.15 and 174,822.78 is: 262,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,618.02 : 412,617.15 = 174,822.78 : x
  2. Step 2: Convert to fraction form
    274,618.02/412,617.15 = 174,822.78/x
  3. Step 3: Cross multiply
    274,618.02x = 412,617.15 × 174,822.78
  4. Step 4: Simplify right side
    274,618.02x = 72,134,877,238.68
  5. Step 5: Solve for x
    x = 72,134,877,238.68/274,618.02
  6. Step 6: Final answer
    x = 262,673.50

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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.