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Finding the Fourth Proportional to 533,118.40, 799,288.80 and 217,412.80

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Solution

The fourth proportional to 533,118.40, 799,288.80 and 217,412.80 is: 325,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,118.40 : 799,288.80 = 217,412.80 : x
  2. Step 2: Convert to fraction form
    533,118.40/799,288.80 = 217,412.80/x
  3. Step 3: Cross multiply
    533,118.40x = 799,288.80 × 217,412.80
  4. Step 4: Simplify right side
    533,118.40x = 173,775,616,016.64
  5. Step 5: Solve for x
    x = 173,775,616,016.64/533,118.40
  6. Step 6: Final answer
    x = 325,960.64

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Similar ratio
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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.