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Finding the Fourth Proportional to 533,732.40, 800,598.60 and 218,415.60

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Solution

The fourth proportional to 533,732.40, 800,598.60 and 218,415.60 is: 327,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,732.40 : 800,598.60 = 218,415.60 : x
  2. Step 2: Convert to fraction form
    533,732.40/800,598.60 = 218,415.60/x
  3. Step 3: Cross multiply
    533,732.40x = 800,598.60 × 218,415.60
  4. Step 4: Simplify right side
    533,732.40x = 174,863,223,578.16
  5. Step 5: Solve for x
    x = 174,863,223,578.16/533,732.40
  6. Step 6: Final answer
    x = 327,623.40

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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.