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Finding the Fourth Proportional to 447,757.03, 617,902.06 and 243,807.46

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Solution

The fourth proportional to 447,757.03, 617,902.06 and 243,807.46 is: 336,452.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,757.03 : 617,902.06 = 243,807.46 : x
  2. Step 2: Convert to fraction form
    447,757.03/617,902.06 = 243,807.46/x
  3. Step 3: Cross multiply
    447,757.03x = 617,902.06 × 243,807.46
  4. Step 4: Simplify right side
    447,757.03x = 150,649,133,322.12
  5. Step 5: Solve for x
    x = 150,649,133,322.12/447,757.03
  6. Step 6: Final answer
    x = 336,452.86

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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.