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Finding the Fourth Proportional to 417,601.98, 576,290.74 and 226,615.38

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Solution

The fourth proportional to 417,601.98, 576,290.74 and 226,615.38 is: 312,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,601.98 : 576,290.74 = 226,615.38 : x
  2. Step 2: Convert to fraction form
    417,601.98/576,290.74 = 226,615.38/x
  3. Step 3: Cross multiply
    417,601.98x = 576,290.74 × 226,615.38
  4. Step 4: Simplify right side
    417,601.98x = 130,596,345,035.58
  5. Step 5: Solve for x
    x = 130,596,345,035.58/417,601.98
  6. Step 6: Final answer
    x = 312,729.23

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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.