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Finding the Fourth Proportional to 447,682.03, 617,705.41 and 266,358.55

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Solution

The fourth proportional to 447,682.03, 617,705.41 and 266,358.55 is: 367,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,682.03 : 617,705.41 = 266,358.55 : x
  2. Step 2: Convert to fraction form
    447,682.03/617,705.41 = 266,358.55/x
  3. Step 3: Cross multiply
    447,682.03x = 617,705.41 × 266,358.55
  4. Step 4: Simplify right side
    447,682.03x = 164,531,117,334.76
  5. Step 5: Solve for x
    x = 164,531,117,334.76/447,682.03
  6. Step 6: Final answer
    x = 367,517.81

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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.