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Finding the Fourth Proportional to 303,381.36, 454,362.44 and 239,774.60

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Solution

The fourth proportional to 303,381.36, 454,362.44 and 239,774.60 is: 359,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,381.36 : 454,362.44 = 239,774.60 : x
  2. Step 2: Convert to fraction form
    303,381.36/454,362.44 = 239,774.60/x
  3. Step 3: Cross multiply
    303,381.36x = 454,362.44 × 239,774.60
  4. Step 4: Simplify right side
    303,381.36x = 108,944,572,306.02
  5. Step 5: Solve for x
    x = 108,944,572,306.02/303,381.36
  6. Step 6: Final answer
    x = 359,101.07

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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.