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Finding the Fourth Proportional to 338,241.68, 507,305.82 and 113,576.84

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Solution

The fourth proportional to 338,241.68, 507,305.82 and 113,576.84 is: 170,346.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,241.68 : 507,305.82 = 113,576.84 : x
  2. Step 2: Convert to fraction form
    338,241.68/507,305.82 = 113,576.84/x
  3. Step 3: Cross multiply
    338,241.68x = 507,305.82 × 113,576.84
  4. Step 4: Simplify right side
    338,241.68x = 57,618,191,949.21
  5. Step 5: Solve for x
    x = 57,618,191,949.21/338,241.68
  6. Step 6: Final answer
    x = 170,346.22

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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.