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Finding the Fourth Proportional to 274,014.80, 411,444.60 and 149,598.80

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Solution

The fourth proportional to 274,014.80, 411,444.60 and 149,598.80 is: 224,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,014.80 : 411,444.60 = 149,598.80 : x
  2. Step 2: Convert to fraction form
    274,014.80/411,444.60 = 149,598.80/x
  3. Step 3: Cross multiply
    274,014.80x = 411,444.60 × 149,598.80
  4. Step 4: Simplify right side
    274,014.80x = 61,551,618,426.48
  5. Step 5: Solve for x
    x = 61,551,618,426.48/274,014.80
  6. Step 6: Final answer
    x = 224,628.81

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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.