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Finding the Fourth Proportional to 534,482.00, 801,760.40 and 214,633.85

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Solution

The fourth proportional to 534,482.00, 801,760.40 and 214,633.85 is: 321,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,482.00 : 801,760.40 = 214,633.85 : x
  2. Step 2: Convert to fraction form
    534,482.00/801,760.40 = 214,633.85/x
  3. Step 3: Cross multiply
    534,482.00x = 801,760.40 × 214,633.85
  4. Step 4: Simplify right side
    534,482.00x = 172,084,923,970.53
  5. Step 5: Solve for x
    x = 172,084,923,970.53/534,482.00
  6. Step 6: Final answer
    x = 321,965.80

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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.