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Finding the Fourth Proportional to 507,996.60, 762,026.58 and 134,019.96

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Solution

The fourth proportional to 507,996.60, 762,026.58 and 134,019.96 is: 201,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,996.60 : 762,026.58 = 134,019.96 : x
  2. Step 2: Convert to fraction form
    507,996.60/762,026.58 = 134,019.96/x
  3. Step 3: Cross multiply
    507,996.60x = 762,026.58 × 134,019.96
  4. Step 4: Simplify right side
    507,996.60x = 102,126,771,770.54
  5. Step 5: Solve for x
    x = 102,126,771,770.54/507,996.60
  6. Step 6: Final answer
    x = 201,038.30

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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.