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Finding the Fourth Proportional to 339,525.46, 509,294.27 and 102,868.17

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Solution

The fourth proportional to 339,525.46, 509,294.27 and 102,868.17 is: 154,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,525.46 : 509,294.27 = 102,868.17 : x
  2. Step 2: Convert to fraction form
    339,525.46/509,294.27 = 102,868.17/x
  3. Step 3: Cross multiply
    339,525.46x = 509,294.27 × 102,868.17
  4. Step 4: Simplify right side
    339,525.46x = 52,390,169,546.39
  5. Step 5: Solve for x
    x = 52,390,169,546.39/339,525.46
  6. Step 6: Final answer
    x = 154,304.10

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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.