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Finding the Fourth Proportional to 417,598.43, 576,287.40 and 226,611.86

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Solution

The fourth proportional to 417,598.43, 576,287.40 and 226,611.86 is: 312,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,598.43 : 576,287.40 = 226,611.86 : x
  2. Step 2: Convert to fraction form
    417,598.43/576,287.40 = 226,611.86/x
  3. Step 3: Cross multiply
    417,598.43x = 576,287.40 × 226,611.86
  4. Step 4: Simplify right side
    417,598.43x = 130,593,559,608.56
  5. Step 5: Solve for x
    x = 130,593,559,608.56/417,598.43
  6. Step 6: Final answer
    x = 312,725.22

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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.