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Finding the Fourth Proportional to 370,327.44, 510,847.22 and 301,490.97

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Solution

The fourth proportional to 370,327.44, 510,847.22 and 301,490.97 is: 415,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,327.44 : 510,847.22 = 301,490.97 : x
  2. Step 2: Convert to fraction form
    370,327.44/510,847.22 = 301,490.97/x
  3. Step 3: Cross multiply
    370,327.44x = 510,847.22 × 301,490.97
  4. Step 4: Simplify right side
    370,327.44x = 154,015,822,372.15
  5. Step 5: Solve for x
    x = 154,015,822,372.15/370,327.44
  6. Step 6: Final answer
    x = 415,890.93

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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.