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Finding the Fourth Proportional to 267,860.60, 401,790.92 and 208,740.52

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Solution

The fourth proportional to 267,860.60, 401,790.92 and 208,740.52 is: 313,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,860.60 : 401,790.92 = 208,740.52 : x
  2. Step 2: Convert to fraction form
    267,860.60/401,790.92 = 208,740.52/x
  3. Step 3: Cross multiply
    267,860.60x = 401,790.92 × 208,740.52
  4. Step 4: Simplify right side
    267,860.60x = 83,870,045,572.08
  5. Step 5: Solve for x
    x = 83,870,045,572.08/267,860.60
  6. Step 6: Final answer
    x = 313,110.80

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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.