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Finding the Fourth Proportional to 689,335.62, 950,615.24 and 459,902.26

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Solution

The fourth proportional to 689,335.62, 950,615.24 and 459,902.26 is: 634,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,335.62 : 950,615.24 = 459,902.26 : x
  2. Step 2: Convert to fraction form
    689,335.62/950,615.24 = 459,902.26/x
  3. Step 3: Cross multiply
    689,335.62x = 950,615.24 × 459,902.26
  4. Step 4: Simplify right side
    689,335.62x = 437,190,093,394.94
  5. Step 5: Solve for x
    x = 437,190,093,394.94/689,335.62
  6. Step 6: Final answer
    x = 634,219.51

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.