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Finding the Fourth Proportional to 523,084.85, 784,627.28 and 491,592.05

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Solution

The fourth proportional to 523,084.85, 784,627.28 and 491,592.05 is: 737,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,084.85 : 784,627.28 = 491,592.05 : x
  2. Step 2: Convert to fraction form
    523,084.85/784,627.28 = 491,592.05/x
  3. Step 3: Cross multiply
    523,084.85x = 784,627.28 × 491,592.05
  4. Step 4: Simplify right side
    523,084.85x = 385,716,530,603.16
  5. Step 5: Solve for x
    x = 385,716,530,603.16/523,084.85
  6. Step 6: Final answer
    x = 737,388.08

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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.