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Finding the Fourth Proportional to 447,727.64, 617,907.72 and 334,353.56

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Solution

The fourth proportional to 447,727.64, 617,907.72 and 334,353.56 is: 461,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,727.64 : 617,907.72 = 334,353.56 : x
  2. Step 2: Convert to fraction form
    447,727.64/617,907.72 = 334,353.56/x
  3. Step 3: Cross multiply
    447,727.64x = 617,907.72 × 334,353.56
  4. Step 4: Simplify right side
    447,727.64x = 206,599,645,933.48
  5. Step 5: Solve for x
    x = 206,599,645,933.48/447,727.64
  6. Step 6: Final answer
    x = 461,440.46

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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.