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Finding the Fourth Proportional to 593,985.87, 890,978.33 and 214,817.79

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Solution

The fourth proportional to 593,985.87, 890,978.33 and 214,817.79 is: 322,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,985.87 : 890,978.33 = 214,817.79 : x
  2. Step 2: Convert to fraction form
    593,985.87/890,978.33 = 214,817.79/x
  3. Step 3: Cross multiply
    593,985.87x = 890,978.33 × 214,817.79
  4. Step 4: Simplify right side
    593,985.87x = 191,397,994,714.40
  5. Step 5: Solve for x
    x = 191,397,994,714.40/593,985.87
  6. Step 6: Final answer
    x = 322,226.51

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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.