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Finding the Fourth Proportional to 534,219.59, 801,479.57 and 214,595.88

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Solution

The fourth proportional to 534,219.59, 801,479.57 and 214,595.88 is: 321,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,219.59 : 801,479.57 = 214,595.88 : x
  2. Step 2: Convert to fraction form
    534,219.59/801,479.57 = 214,595.88/x
  3. Step 3: Cross multiply
    534,219.59x = 801,479.57 × 214,595.88
  4. Step 4: Simplify right side
    534,219.59x = 171,994,212,553.19
  5. Step 5: Solve for x
    x = 171,994,212,553.19/534,219.59
  6. Step 6: Final answer
    x = 321,954.15

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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.