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Finding the Fourth Proportional to 559,777.23, 840,019.41 and 293,728.68

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Solution

The fourth proportional to 559,777.23, 840,019.41 and 293,728.68 is: 440,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,777.23 : 840,019.41 = 293,728.68 : x
  2. Step 2: Convert to fraction form
    559,777.23/840,019.41 = 293,728.68/x
  3. Step 3: Cross multiply
    559,777.23x = 840,019.41 × 293,728.68
  4. Step 4: Simplify right side
    559,777.23x = 246,737,792,473.68
  5. Step 5: Solve for x
    x = 246,737,792,473.68/559,777.23
  6. Step 6: Final answer
    x = 440,778.54

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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.