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Finding the Fourth Proportional to 283,601.70, 425,402.55 and 115,202.70

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Solution

The fourth proportional to 283,601.70, 425,402.55 and 115,202.70 is: 172,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,601.70 : 425,402.55 = 115,202.70 : x
  2. Step 2: Convert to fraction form
    283,601.70/425,402.55 = 115,202.70/x
  3. Step 3: Cross multiply
    283,601.70x = 425,402.55 × 115,202.70
  4. Step 4: Simplify right side
    283,601.70x = 49,007,522,346.89
  5. Step 5: Solve for x
    x = 49,007,522,346.89/283,601.70
  6. Step 6: Final answer
    x = 172,804.05

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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.