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Finding the Fourth Proportional to 534,661.32, 801,993.06 and 219,061.56

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Solution

The fourth proportional to 534,661.32, 801,993.06 and 219,061.56 is: 328,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,661.32 : 801,993.06 = 219,061.56 : x
  2. Step 2: Convert to fraction form
    534,661.32/801,993.06 = 219,061.56/x
  3. Step 3: Cross multiply
    534,661.32x = 801,993.06 × 219,061.56
  4. Step 4: Simplify right side
    534,661.32x = 175,685,850,832.77
  5. Step 5: Solve for x
    x = 175,685,850,832.77/534,661.32
  6. Step 6: Final answer
    x = 328,592.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.