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Finding the Fourth Proportional to 353,435.56, 487,735.71 and 192,286.93

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Solution

The fourth proportional to 353,435.56, 487,735.71 and 192,286.93 is: 265,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,435.56 : 487,735.71 = 192,286.93 : x
  2. Step 2: Convert to fraction form
    353,435.56/487,735.71 = 192,286.93/x
  3. Step 3: Cross multiply
    353,435.56x = 487,735.71 × 192,286.93
  4. Step 4: Simplify right side
    353,435.56x = 93,785,202,327.27
  5. Step 5: Solve for x
    x = 93,785,202,327.27/353,435.56
  6. Step 6: Final answer
    x = 265,353.05

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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.