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Finding the Fourth Proportional to 629,053.56, 942,841.22 and 291,380.76

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Solution

The fourth proportional to 629,053.56, 942,841.22 and 291,380.76 is: 436,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,053.56 : 942,841.22 = 291,380.76 : x
  2. Step 2: Convert to fraction form
    629,053.56/942,841.22 = 291,380.76/x
  3. Step 3: Cross multiply
    629,053.56x = 942,841.22 × 291,380.76
  4. Step 4: Simplify right side
    629,053.56x = 274,725,789,786.02
  5. Step 5: Solve for x
    x = 274,725,789,786.02/629,053.56
  6. Step 6: Final answer
    x = 436,728.77

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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.