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Finding the Fourth Proportional to 303,356.01, 454,679.67 and 228,234.78

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Solution

The fourth proportional to 303,356.01, 454,679.67 and 228,234.78 is: 342,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,356.01 : 454,679.67 = 228,234.78 : x
  2. Step 2: Convert to fraction form
    303,356.01/454,679.67 = 228,234.78/x
  3. Step 3: Cross multiply
    303,356.01x = 454,679.67 × 228,234.78
  4. Step 4: Simplify right side
    303,356.01x = 103,773,714,452.92
  5. Step 5: Solve for x
    x = 103,773,714,452.92/303,356.01
  6. Step 6: Final answer
    x = 342,085.57

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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.