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Finding the Fourth Proportional to 444,212.40, 666,124.20 and 177,884.40

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Solution

The fourth proportional to 444,212.40, 666,124.20 and 177,884.40 is: 266,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,212.40 : 666,124.20 = 177,884.40 : x
  2. Step 2: Convert to fraction form
    444,212.40/666,124.20 = 177,884.40/x
  3. Step 3: Cross multiply
    444,212.40x = 666,124.20 × 177,884.40
  4. Step 4: Simplify right side
    444,212.40x = 118,493,103,642.48
  5. Step 5: Solve for x
    x = 118,493,103,642.48/444,212.40
  6. Step 6: Final answer
    x = 266,748.75

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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.