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Finding the Fourth Proportional to 473,584.32, 653,620.32 and 303,998.40

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Solution

The fourth proportional to 473,584.32, 653,620.32 and 303,998.40 is: 419,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,584.32 : 653,620.32 = 303,998.40 : x
  2. Step 2: Convert to fraction form
    473,584.32/653,620.32 = 303,998.40/x
  3. Step 3: Cross multiply
    473,584.32x = 653,620.32 × 303,998.40
  4. Step 4: Simplify right side
    473,584.32x = 198,699,531,487.49
  5. Step 5: Solve for x
    x = 198,699,531,487.49/473,584.32
  6. Step 6: Final answer
    x = 419,565.27

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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.