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Finding the Fourth Proportional to 335,236.90, 502,854.02 and 135,554.88

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Solution

The fourth proportional to 335,236.90, 502,854.02 and 135,554.88 is: 203,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,236.90 : 502,854.02 = 135,554.88 : x
  2. Step 2: Convert to fraction form
    335,236.90/502,854.02 = 135,554.88/x
  3. Step 3: Cross multiply
    335,236.90x = 502,854.02 × 135,554.88
  4. Step 4: Simplify right side
    335,236.90x = 68,164,316,338.62
  5. Step 5: Solve for x
    x = 68,164,316,338.62/335,236.90
  6. Step 6: Final answer
    x = 203,331.78

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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.