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Finding the Fourth Proportional to 607,933.89, 838,922.67 and 335,987.73

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Solution

The fourth proportional to 607,933.89, 838,922.67 and 335,987.73 is: 463,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,933.89 : 838,922.67 = 335,987.73 : x
  2. Step 2: Convert to fraction form
    607,933.89/838,922.67 = 335,987.73/x
  3. Step 3: Cross multiply
    607,933.89x = 838,922.67 × 335,987.73
  4. Step 4: Simplify right side
    607,933.89x = 281,867,723,538.84
  5. Step 5: Solve for x
    x = 281,867,723,538.84/607,933.89
  6. Step 6: Final answer
    x = 463,648.64

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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.