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Finding the Fourth Proportional to 417,439.01, 576,066.95 and 226,452.41

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Solution

The fourth proportional to 417,439.01, 576,066.95 and 226,452.41 is: 312,504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,439.01 : 576,066.95 = 226,452.41 : x
  2. Step 2: Convert to fraction form
    417,439.01/576,066.95 = 226,452.41/x
  3. Step 3: Cross multiply
    417,439.01x = 576,066.95 × 226,452.41
  4. Step 4: Simplify right side
    417,439.01x = 130,451,745,136.25
  5. Step 5: Solve for x
    x = 130,451,745,136.25/417,439.01
  6. Step 6: Final answer
    x = 312,504.93

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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.