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Finding the Fourth Proportional to 559,508.45, 839,510.72 and 293,205.65

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Solution

The fourth proportional to 559,508.45, 839,510.72 and 293,205.65 is: 439,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,508.45 : 839,510.72 = 293,205.65 : x
  2. Step 2: Convert to fraction form
    559,508.45/839,510.72 = 293,205.65/x
  3. Step 3: Cross multiply
    559,508.45x = 839,510.72 × 293,205.65
  4. Step 4: Simplify right side
    559,508.45x = 246,149,284,873.54
  5. Step 5: Solve for x
    x = 246,149,284,873.54/559,508.45
  6. Step 6: Final answer
    x = 439,938.46

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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.