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Finding the Fourth Proportional to 303,422.60, 454,623.60 and 239,999.60

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Solution

The fourth proportional to 303,422.60, 454,623.60 and 239,999.60 is: 359,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,422.60 : 454,623.60 = 239,999.60 : x
  2. Step 2: Convert to fraction form
    303,422.60/454,623.60 = 239,999.60/x
  3. Step 3: Cross multiply
    303,422.60x = 454,623.60 × 239,999.60
  4. Step 4: Simplify right side
    303,422.60x = 109,109,482,150.56
  5. Step 5: Solve for x
    x = 109,109,482,150.56/303,422.60
  6. Step 6: Final answer
    x = 359,595.77

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1.5x scale

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.