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Finding the Fourth Proportional to 623,965.26, 935,947.92 and 203,241.12

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Solution

The fourth proportional to 623,965.26, 935,947.92 and 203,241.12 is: 304,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,965.26 : 935,947.92 = 203,241.12 : x
  2. Step 2: Convert to fraction form
    623,965.26/935,947.92 = 203,241.12/x
  3. Step 3: Cross multiply
    623,965.26x = 935,947.92 × 203,241.12
  4. Step 4: Simplify right side
    623,965.26x = 190,223,103,522.47
  5. Step 5: Solve for x
    x = 190,223,103,522.47/623,965.26
  6. Step 6: Final answer
    x = 304,861.69

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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.