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Finding the Fourth Proportional to 650,667.33, 897,920.78 and 364,187.48

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Solution

The fourth proportional to 650,667.33, 897,920.78 and 364,187.48 is: 502,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,667.33 : 897,920.78 = 364,187.48 : x
  2. Step 2: Convert to fraction form
    650,667.33/897,920.78 = 364,187.48/x
  3. Step 3: Cross multiply
    650,667.33x = 897,920.78 × 364,187.48
  4. Step 4: Simplify right side
    650,667.33x = 327,011,499,797.29
  5. Step 5: Solve for x
    x = 327,011,499,797.29/650,667.33
  6. Step 6: Final answer
    x = 502,578.64

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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.