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Finding the Fourth Proportional to 469,715.36, 704,619.14 and 132,758.60

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Solution

The fourth proportional to 469,715.36, 704,619.14 and 132,758.60 is: 199,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,715.36 : 704,619.14 = 132,758.60 : x
  2. Step 2: Convert to fraction form
    469,715.36/704,619.14 = 132,758.60/x
  3. Step 3: Cross multiply
    469,715.36x = 704,619.14 × 132,758.60
  4. Step 4: Simplify right side
    469,715.36x = 93,544,250,559.60
  5. Step 5: Solve for x
    x = 93,544,250,559.60/469,715.36
  6. Step 6: Final answer
    x = 199,150.93

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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.