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Finding the Fourth Proportional to 360,571.91, 540,853.61 and 150,209.84

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Solution

The fourth proportional to 360,571.91, 540,853.61 and 150,209.84 is: 225,312.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,571.91 : 540,853.61 = 150,209.84 : x
  2. Step 2: Convert to fraction form
    360,571.91/540,853.61 = 150,209.84/x
  3. Step 3: Cross multiply
    360,571.91x = 540,853.61 × 150,209.84
  4. Step 4: Simplify right side
    360,571.91x = 81,241,534,822.61
  5. Step 5: Solve for x
    x = 81,241,534,822.61/360,571.91
  6. Step 6: Final answer
    x = 225,312.99

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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.