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Finding the Fourth Proportional to 444,015.50, 612,741.40 and 242,811.50

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Solution

The fourth proportional to 444,015.50, 612,741.40 and 242,811.50 is: 335,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,015.50 : 612,741.40 = 242,811.50 : x
  2. Step 2: Convert to fraction form
    444,015.50/612,741.40 = 242,811.50/x
  3. Step 3: Cross multiply
    444,015.50x = 612,741.40 × 242,811.50
  4. Step 4: Simplify right side
    444,015.50x = 148,780,658,446.10
  5. Step 5: Solve for x
    x = 148,780,658,446.10/444,015.50
  6. Step 6: Final answer
    x = 335,079.88

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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.