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Finding the Fourth Proportional to 269,808.71, 404,730.57 and 89,886.44

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Solution

The fourth proportional to 269,808.71, 404,730.57 and 89,886.44 is: 134,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,808.71 : 404,730.57 = 89,886.44 : x
  2. Step 2: Convert to fraction form
    269,808.71/404,730.57 = 89,886.44/x
  3. Step 3: Cross multiply
    269,808.71x = 404,730.57 × 89,886.44
  4. Step 4: Simplify right side
    269,808.71x = 36,379,791,445.37
  5. Step 5: Solve for x
    x = 36,379,791,445.37/269,808.71
  6. Step 6: Final answer
    x = 134,835.50

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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.