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Finding the Fourth Proportional to 338,801.75, 467,631.38 and 230,090.03

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Solution

The fourth proportional to 338,801.75, 467,631.38 and 230,090.03 is: 317,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,801.75 : 467,631.38 = 230,090.03 : x
  2. Step 2: Convert to fraction form
    338,801.75/467,631.38 = 230,090.03/x
  3. Step 3: Cross multiply
    338,801.75x = 467,631.38 × 230,090.03
  4. Step 4: Simplify right side
    338,801.75x = 107,597,318,253.14
  5. Step 5: Solve for x
    x = 107,597,318,253.14/338,801.75
  6. Step 6: Final answer
    x = 317,581.94

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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.