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Finding the Fourth Proportional to 559,530.45, 839,543.67 and 293,227.61

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Solution

The fourth proportional to 559,530.45, 839,543.67 and 293,227.61 is: 439,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,530.45 : 839,543.67 = 293,227.61 : x
  2. Step 2: Convert to fraction form
    559,530.45/839,543.67 = 293,227.61/x
  3. Step 3: Cross multiply
    559,530.45x = 839,543.67 × 293,227.61
  4. Step 4: Simplify right side
    559,530.45x = 246,177,379,647.01
  5. Step 5: Solve for x
    x = 246,177,379,647.01/559,530.45
  6. Step 6: Final answer
    x = 439,971.37

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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.