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Finding the Fourth Proportional to 633,589.74, 950,385.96 and 153,815.76

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Solution

The fourth proportional to 633,589.74, 950,385.96 and 153,815.76 is: 230,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,589.74 : 950,385.96 = 153,815.76 : x
  2. Step 2: Convert to fraction form
    633,589.74/950,385.96 = 153,815.76/x
  3. Step 3: Cross multiply
    633,589.74x = 950,385.96 × 153,815.76
  4. Step 4: Simplify right side
    633,589.74x = 146,184,338,730.73
  5. Step 5: Solve for x
    x = 146,184,338,730.73/633,589.74
  6. Step 6: Final answer
    x = 230,723.97

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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.