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Finding the Fourth Proportional to 360,530.15, 540,631.20 and 192,007.22

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Solution

The fourth proportional to 360,530.15, 540,631.20 and 192,007.22 is: 287,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,530.15 : 540,631.20 = 192,007.22 : x
  2. Step 2: Convert to fraction form
    360,530.15/540,631.20 = 192,007.22/x
  3. Step 3: Cross multiply
    360,530.15x = 540,631.20 × 192,007.22
  4. Step 4: Simplify right side
    360,530.15x = 103,805,093,757.26
  5. Step 5: Solve for x
    x = 103,805,093,757.26/360,530.15
  6. Step 6: Final answer
    x = 287,923.48

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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.