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Finding the Fourth Proportional to 303,695.73, 419,045.40 and 174,604.01

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Solution

The fourth proportional to 303,695.73, 419,045.40 and 174,604.01 is: 240,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,695.73 : 419,045.40 = 174,604.01 : x
  2. Step 2: Convert to fraction form
    303,695.73/419,045.40 = 174,604.01/x
  3. Step 3: Cross multiply
    303,695.73x = 419,045.40 × 174,604.01
  4. Step 4: Simplify right side
    303,695.73x = 73,167,005,116.83
  5. Step 5: Solve for x
    x = 73,167,005,116.83/303,695.73
  6. Step 6: Final answer
    x = 240,922.07

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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.