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Finding the Fourth Proportional to 356,447.58, 534,671.37 and 119,790.26

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Solution

The fourth proportional to 356,447.58, 534,671.37 and 119,790.26 is: 179,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,447.58 : 534,671.37 = 119,790.26 : x
  2. Step 2: Convert to fraction form
    356,447.58/534,671.37 = 119,790.26/x
  3. Step 3: Cross multiply
    356,447.58x = 534,671.37 × 119,790.26
  4. Step 4: Simplify right side
    356,447.58x = 64,048,419,753.50
  5. Step 5: Solve for x
    x = 64,048,419,753.50/356,447.58
  6. Step 6: Final answer
    x = 179,685.38

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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.