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Finding the Fourth Proportional to 269,069.34, 403,394.61 and 174,098.88

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Solution

The fourth proportional to 269,069.34, 403,394.61 and 174,098.88 is: 261,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,069.34 : 403,394.61 = 174,098.88 : x
  2. Step 2: Convert to fraction form
    269,069.34/403,394.61 = 174,098.88/x
  3. Step 3: Cross multiply
    269,069.34x = 403,394.61 × 174,098.88
  4. Step 4: Simplify right side
    269,069.34x = 70,230,549,799.04
  5. Step 5: Solve for x
    x = 70,230,549,799.04/269,069.34
  6. Step 6: Final answer
    x = 261,012.83

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1.5x scale

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.