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Finding the Fourth Proportional to 269,217.60, 403,480.80 and 163,924.80

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Solution

The fourth proportional to 269,217.60, 403,480.80 and 163,924.80 is: 245,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,217.60 : 403,480.80 = 163,924.80 : x
  2. Step 2: Convert to fraction form
    269,217.60/403,480.80 = 163,924.80/x
  3. Step 3: Cross multiply
    269,217.60x = 403,480.80 × 163,924.80
  4. Step 4: Simplify right side
    269,217.60x = 66,140,509,443.84
  5. Step 5: Solve for x
    x = 66,140,509,443.84/269,217.60
  6. Step 6: Final answer
    x = 245,676.77

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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.