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Finding the Fourth Proportional to 444,190.72, 612,984 and 242,986.72

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Solution

The fourth proportional to 444,190.72, 612,984 and 242,986.72 is: 335,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,190.72 : 612,984 = 242,986.72 : x
  2. Step 2: Convert to fraction form
    444,190.72/612,984 = 242,986.72/x
  3. Step 3: Cross multiply
    444,190.72x = 612,984 × 242,986.72
  4. Step 4: Simplify right side
    444,190.72x = 148,946,971,572.48
  5. Step 5: Solve for x
    x = 148,946,971,572.48/444,190.72
  6. Step 6: Final answer
    x = 335,322.11

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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.