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Finding the Fourth Proportional to 573,236.06, 859,976.34 and 194,143.53

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Solution

The fourth proportional to 573,236.06, 859,976.34 and 194,143.53 is: 291,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,236.06 : 859,976.34 = 194,143.53 : x
  2. Step 2: Convert to fraction form
    573,236.06/859,976.34 = 194,143.53/x
  3. Step 3: Cross multiply
    573,236.06x = 859,976.34 × 194,143.53
  4. Step 4: Simplify right side
    573,236.06x = 166,958,842,364.08
  5. Step 5: Solve for x
    x = 166,958,842,364.08/573,236.06
  6. Step 6: Final answer
    x = 291,256.70

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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.