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Finding the Fourth Proportional to 310,846.11, 465,651.84 and 239,521.29

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Solution

The fourth proportional to 310,846.11, 465,651.84 and 239,521.29 is: 358,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,846.11 : 465,651.84 = 239,521.29 : x
  2. Step 2: Convert to fraction form
    310,846.11/465,651.84 = 239,521.29/x
  3. Step 3: Cross multiply
    310,846.11x = 465,651.84 × 239,521.29
  4. Step 4: Simplify right side
    310,846.11x = 111,533,529,407.67
  5. Step 5: Solve for x
    x = 111,533,529,407.67/310,846.11
  6. Step 6: Final answer
    x = 358,806.26

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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.