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Finding the Fourth Proportional to 471,340.46, 707,121.42 and 155,797.36

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Solution

The fourth proportional to 471,340.46, 707,121.42 and 155,797.36 is: 233,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,340.46 : 707,121.42 = 155,797.36 : x
  2. Step 2: Convert to fraction form
    471,340.46/707,121.42 = 155,797.36/x
  3. Step 3: Cross multiply
    471,340.46x = 707,121.42 × 155,797.36
  4. Step 4: Simplify right side
    471,340.46x = 110,167,649,656.46
  5. Step 5: Solve for x
    x = 110,167,649,656.46/471,340.46
  6. Step 6: Final answer
    x = 233,732.64

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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.