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Finding the Fourth Proportional to 417,593.62, 576,280.77 and 226,607.03

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Solution

The fourth proportional to 417,593.62, 576,280.77 and 226,607.03 is: 312,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,593.62 : 576,280.77 = 226,607.03 : x
  2. Step 2: Convert to fraction form
    417,593.62/576,280.77 = 226,607.03/x
  3. Step 3: Cross multiply
    417,593.62x = 576,280.77 × 226,607.03
  4. Step 4: Simplify right side
    417,593.62x = 130,589,272,602.78
  5. Step 5: Solve for x
    x = 130,589,272,602.78/417,593.62
  6. Step 6: Final answer
    x = 312,718.55

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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.