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Finding the Fourth Proportional to 559,507.45, 839,509.22 and 293,204.65

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Solution

The fourth proportional to 559,507.45, 839,509.22 and 293,204.65 is: 439,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,507.45 : 839,509.22 = 293,204.65 : x
  2. Step 2: Convert to fraction form
    559,507.45/839,509.22 = 293,204.65/x
  3. Step 3: Cross multiply
    559,507.45x = 839,509.22 × 293,204.65
  4. Step 4: Simplify right side
    559,507.45x = 246,148,005,555.85
  5. Step 5: Solve for x
    x = 246,148,005,555.85/559,507.45
  6. Step 6: Final answer
    x = 439,936.96

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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.