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Finding the Fourth Proportional to 444,107, 612,867.66 and 242,903

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Solution

The fourth proportional to 444,107, 612,867.66 and 242,903 is: 335,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,107 : 612,867.66 = 242,903 : x
  2. Step 2: Convert to fraction form
    444,107/612,867.66 = 242,903/x
  3. Step 3: Cross multiply
    444,107x = 612,867.66 × 242,903
  4. Step 4: Simplify right side
    444,107x = 148,867,393,216.98
  5. Step 5: Solve for x
    x = 148,867,393,216.98/444,107
  6. Step 6: Final answer
    x = 335,206.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.