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Finding the Fourth Proportional to 360,049.15, 540,151.57 and 191,544.98

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Solution

The fourth proportional to 360,049.15, 540,151.57 and 191,544.98 is: 287,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,049.15 : 540,151.57 = 191,544.98 : x
  2. Step 2: Convert to fraction form
    360,049.15/540,151.57 = 191,544.98/x
  3. Step 3: Cross multiply
    360,049.15x = 540,151.57 × 191,544.98
  4. Step 4: Simplify right side
    360,049.15x = 103,463,322,201.15
  5. Step 5: Solve for x
    x = 103,463,322,201.15/360,049.15
  6. Step 6: Final answer
    x = 287,358.89

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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.