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Finding the Fourth Proportional to 335,064.45, 501,874.92 and 157,305.09

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Solution

The fourth proportional to 335,064.45, 501,874.92 and 157,305.09 is: 235,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,064.45 : 501,874.92 = 157,305.09 : x
  2. Step 2: Convert to fraction form
    335,064.45/501,874.92 = 157,305.09/x
  3. Step 3: Cross multiply
    335,064.45x = 501,874.92 × 157,305.09
  4. Step 4: Simplify right side
    335,064.45x = 78,947,479,459.34
  5. Step 5: Solve for x
    x = 78,947,479,459.34/335,064.45
  6. Step 6: Final answer
    x = 235,618.79

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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.