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Finding the Fourth Proportional to 308,045.70, 462,222.15 and 175,028.10

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Solution

The fourth proportional to 308,045.70, 462,222.15 and 175,028.10 is: 262,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,045.70 : 462,222.15 = 175,028.10 : x
  2. Step 2: Convert to fraction form
    308,045.70/462,222.15 = 175,028.10/x
  3. Step 3: Cross multiply
    308,045.70x = 462,222.15 × 175,028.10
  4. Step 4: Simplify right side
    308,045.70x = 80,901,864,692.42
  5. Step 5: Solve for x
    x = 80,901,864,692.42/308,045.70
  6. Step 6: Final answer
    x = 262,629.42

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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.