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Finding the Fourth Proportional to 567,082.39, 850,639.98 and 212,028.61

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Solution

The fourth proportional to 567,082.39, 850,639.98 and 212,028.61 is: 318,049.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,082.39 : 850,639.98 = 212,028.61 : x
  2. Step 2: Convert to fraction form
    567,082.39/850,639.98 = 212,028.61/x
  3. Step 3: Cross multiply
    567,082.39x = 850,639.98 × 212,028.61
  4. Step 4: Simplify right side
    567,082.39x = 180,360,012,569.83
  5. Step 5: Solve for x
    x = 180,360,012,569.83/567,082.39
  6. Step 6: Final answer
    x = 318,049.04

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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.