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Finding the Fourth Proportional to 424,933.44, 586,415.66 and 231,346.78

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Solution

The fourth proportional to 424,933.44, 586,415.66 and 231,346.78 is: 319,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,933.44 : 586,415.66 = 231,346.78 : x
  2. Step 2: Convert to fraction form
    424,933.44/586,415.66 = 231,346.78/x
  3. Step 3: Cross multiply
    424,933.44x = 586,415.66 × 231,346.78
  4. Step 4: Simplify right side
    424,933.44x = 135,665,374,682.58
  5. Step 5: Solve for x
    x = 135,665,374,682.58/424,933.44
  6. Step 6: Final answer
    x = 319,262.65

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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.