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Finding the Fourth Proportional to 431,051.34, 594,869.31 and 240,064.73

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Solution

The fourth proportional to 431,051.34, 594,869.31 and 240,064.73 is: 331,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,051.34 : 594,869.31 = 240,064.73 : x
  2. Step 2: Convert to fraction form
    431,051.34/594,869.31 = 240,064.73/x
  3. Step 3: Cross multiply
    431,051.34x = 594,869.31 × 240,064.73
  4. Step 4: Simplify right side
    431,051.34x = 142,807,140,290.44
  5. Step 5: Solve for x
    x = 142,807,140,290.44/431,051.34
  6. Step 6: Final answer
    x = 331,299.61

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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.