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Finding the Fourth Proportional to 471,351.02, 707,137.23 and 155,807.96

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Solution

The fourth proportional to 471,351.02, 707,137.23 and 155,807.96 is: 233,748.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,351.02 : 707,137.23 = 155,807.96 : x
  2. Step 2: Convert to fraction form
    471,351.02/707,137.23 = 155,807.96/x
  3. Step 3: Cross multiply
    471,351.02x = 707,137.23 × 155,807.96
  4. Step 4: Simplify right side
    471,351.02x = 110,177,609,246.35
  5. Step 5: Solve for x
    x = 110,177,609,246.35/471,351.02
  6. Step 6: Final answer
    x = 233,748.53

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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.