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Finding the Fourth Proportional to 417,783.28, 576,525.08 and 226,792.56

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Solution

The fourth proportional to 417,783.28, 576,525.08 and 226,792.56 is: 312,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,783.28 : 576,525.08 = 226,792.56 : x
  2. Step 2: Convert to fraction form
    417,783.28/576,525.08 = 226,792.56/x
  3. Step 3: Cross multiply
    417,783.28x = 576,525.08 × 226,792.56
  4. Step 4: Simplify right side
    417,783.28x = 130,751,598,797.41
  5. Step 5: Solve for x
    x = 130,751,598,797.41/417,783.28
  6. Step 6: Final answer
    x = 312,965.13

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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.