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Finding the Fourth Proportional to 303,728.00, 419,149.06 and 176,403.58

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Solution

The fourth proportional to 303,728.00, 419,149.06 and 176,403.58 is: 243,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,728.00 : 419,149.06 = 176,403.58 : x
  2. Step 2: Convert to fraction form
    303,728.00/419,149.06 = 176,403.58/x
  3. Step 3: Cross multiply
    303,728.00x = 419,149.06 × 176,403.58
  4. Step 4: Simplify right side
    303,728.00x = 73,939,393,248.75
  5. Step 5: Solve for x
    x = 73,939,393,248.75/303,728.00
  6. Step 6: Final answer
    x = 243,439.51

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1.5x scale

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.