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Finding the Fourth Proportional to 444,486.20, 666,729.30 and 112,062.20

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Solution

The fourth proportional to 444,486.20, 666,729.30 and 112,062.20 is: 168,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,486.20 : 666,729.30 = 112,062.20 : x
  2. Step 2: Convert to fraction form
    444,486.20/666,729.30 = 112,062.20/x
  3. Step 3: Cross multiply
    444,486.20x = 666,729.30 × 112,062.20
  4. Step 4: Simplify right side
    444,486.20x = 74,715,152,162.46
  5. Step 5: Solve for x
    x = 74,715,152,162.46/444,486.20
  6. Step 6: Final answer
    x = 168,093.30

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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.