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Finding the Fourth Proportional to 417,681.33, 576,400.80 and 226,694.72

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Solution

The fourth proportional to 417,681.33, 576,400.80 and 226,694.72 is: 312,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,681.33 : 576,400.80 = 226,694.72 : x
  2. Step 2: Convert to fraction form
    417,681.33/576,400.80 = 226,694.72/x
  3. Step 3: Cross multiply
    417,681.33x = 576,400.80 × 226,694.72
  4. Step 4: Simplify right side
    417,681.33x = 130,667,015,081.77
  5. Step 5: Solve for x
    x = 130,667,015,081.77/417,681.33
  6. Step 6: Final answer
    x = 312,839.01

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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.