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Finding the Fourth Proportional to 664,371.84, 916,832.89 and 362,565.84

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Solution

The fourth proportional to 664,371.84, 916,832.89 and 362,565.84 is: 500,340.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,371.84 : 916,832.89 = 362,565.84 : x
  2. Step 2: Convert to fraction form
    664,371.84/916,832.89 = 362,565.84/x
  3. Step 3: Cross multiply
    664,371.84x = 916,832.89 × 362,565.84
  4. Step 4: Simplify right side
    664,371.84x = 332,412,286,902.48
  5. Step 5: Solve for x
    x = 332,412,286,902.48/664,371.84
  6. Step 6: Final answer
    x = 500,340.72

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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.