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Finding the Fourth Proportional to 469,725.17, 704,611.44 and 132,790.01

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Solution

The fourth proportional to 469,725.17, 704,611.44 and 132,790.01 is: 199,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,725.17 : 704,611.44 = 132,790.01 : x
  2. Step 2: Convert to fraction form
    469,725.17/704,611.44 = 132,790.01/x
  3. Step 3: Cross multiply
    469,725.17x = 704,611.44 × 132,790.01
  4. Step 4: Simplify right side
    469,725.17x = 93,565,356,640.66
  5. Step 5: Solve for x
    x = 93,565,356,640.66/469,725.17
  6. Step 6: Final answer
    x = 199,191.71

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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.