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Finding the Fourth Proportional to 527,252.65, 792,140.68 and 338,083.64

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Solution

The fourth proportional to 527,252.65, 792,140.68 and 338,083.64 is: 507,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,252.65 : 792,140.68 = 338,083.64 : x
  2. Step 2: Convert to fraction form
    527,252.65/792,140.68 = 338,083.64/x
  3. Step 3: Cross multiply
    527,252.65x = 792,140.68 × 338,083.64
  4. Step 4: Simplify right side
    527,252.65x = 267,809,804,486.48
  5. Step 5: Solve for x
    x = 267,809,804,486.48/527,252.65
  6. Step 6: Final answer
    x = 507,934.49

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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.