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Finding the Fourth Proportional to 303,844.95, 419,220.72 and 174,776.67

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Solution

The fourth proportional to 303,844.95, 419,220.72 and 174,776.67 is: 241,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,844.95 : 419,220.72 = 174,776.67 : x
  2. Step 2: Convert to fraction form
    303,844.95/419,220.72 = 174,776.67/x
  3. Step 3: Cross multiply
    303,844.95x = 419,220.72 × 174,776.67
  4. Step 4: Simplify right side
    303,844.95x = 73,270,001,436.60
  5. Step 5: Solve for x
    x = 73,270,001,436.60/303,844.95
  6. Step 6: Final answer
    x = 241,142.73

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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.