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Finding the Fourth Proportional to 533,915.34, 800,873.01 and 245,697.90

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Solution

The fourth proportional to 533,915.34, 800,873.01 and 245,697.90 is: 368,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,915.34 : 800,873.01 = 245,697.90 : x
  2. Step 2: Convert to fraction form
    533,915.34/800,873.01 = 245,697.90/x
  3. Step 3: Cross multiply
    533,915.34x = 800,873.01 × 245,697.90
  4. Step 4: Simplify right side
    533,915.34x = 196,772,816,723.68
  5. Step 5: Solve for x
    x = 196,772,816,723.68/533,915.34
  6. Step 6: Final answer
    x = 368,546.85

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Double scale
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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.