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Finding the Fourth Proportional to 435,489.82, 653,234.49 and 135,996.07

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Solution

The fourth proportional to 435,489.82, 653,234.49 and 135,996.07 is: 203,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,489.82 : 653,234.49 = 135,996.07 : x
  2. Step 2: Convert to fraction form
    435,489.82/653,234.49 = 135,996.07/x
  3. Step 3: Cross multiply
    435,489.82x = 653,234.49 × 135,996.07
  4. Step 4: Simplify right side
    435,489.82x = 88,837,323,402.67
  5. Step 5: Solve for x
    x = 88,837,323,402.67/435,489.82
  6. Step 6: Final answer
    x = 203,994.03

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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.