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Finding the Fourth Proportional to 573,499.74, 860,257.71 and 218,533.17

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Solution

The fourth proportional to 573,499.74, 860,257.71 and 218,533.17 is: 327,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,499.74 : 860,257.71 = 218,533.17 : x
  2. Step 2: Convert to fraction form
    573,499.74/860,257.71 = 218,533.17/x
  3. Step 3: Cross multiply
    573,499.74x = 860,257.71 × 218,533.17
  4. Step 4: Simplify right side
    573,499.74x = 187,994,844,383.24
  5. Step 5: Solve for x
    x = 187,994,844,383.24/573,499.74
  6. Step 6: Final answer
    x = 327,802.84

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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.