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Finding the Fourth Proportional to 527,252.60, 792,140.61 and 338,083.60

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Solution

The fourth proportional to 527,252.60, 792,140.61 and 338,083.60 is: 507,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,252.60 : 792,140.61 = 338,083.60 : x
  2. Step 2: Convert to fraction form
    527,252.60/792,140.61 = 338,083.60/x
  3. Step 3: Cross multiply
    527,252.60x = 792,140.61 × 338,083.60
  4. Step 4: Simplify right side
    527,252.60x = 267,809,745,174.29
  5. Step 5: Solve for x
    x = 267,809,745,174.29/527,252.60
  6. Step 6: Final answer
    x = 507,934.42

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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.