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Finding the Fourth Proportional to 360,133.56, 540,358.71 and 191,614.26

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Solution

The fourth proportional to 360,133.56, 540,358.71 and 191,614.26 is: 287,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,133.56 : 540,358.71 = 191,614.26 : x
  2. Step 2: Convert to fraction form
    360,133.56/540,358.71 = 191,614.26/x
  3. Step 3: Cross multiply
    360,133.56x = 540,358.71 × 191,614.26
  4. Step 4: Simplify right side
    360,133.56x = 103,540,434,351.21
  5. Step 5: Solve for x
    x = 103,540,434,351.21/360,133.56
  6. Step 6: Final answer
    x = 287,505.65

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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.