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Finding the Fourth Proportional to 444,089.40, 666,203.96 and 191,441.69

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Solution

The fourth proportional to 444,089.40, 666,203.96 and 191,441.69 is: 287,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,089.40 : 666,203.96 = 191,441.69 : x
  2. Step 2: Convert to fraction form
    444,089.40/666,203.96 = 191,441.69/x
  3. Step 3: Cross multiply
    444,089.40x = 666,203.96 × 191,441.69
  4. Step 4: Simplify right side
    444,089.40x = 127,539,211,632.94
  5. Step 5: Solve for x
    x = 127,539,211,632.94/444,089.40
  6. Step 6: Final answer
    x = 287,192.65

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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.