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Finding the Fourth Proportional to 504,404.20, 756,606.30 and 188,844.40

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Solution

The fourth proportional to 504,404.20, 756,606.30 and 188,844.40 is: 283,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,404.20 : 756,606.30 = 188,844.40 : x
  2. Step 2: Convert to fraction form
    504,404.20/756,606.30 = 188,844.40/x
  3. Step 3: Cross multiply
    504,404.20x = 756,606.30 × 188,844.40
  4. Step 4: Simplify right side
    504,404.20x = 142,880,862,759.72
  5. Step 5: Solve for x
    x = 142,880,862,759.72/504,404.20
  6. Step 6: Final answer
    x = 283,266.60

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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.