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Finding the Fourth Proportional to 307,670.70, 461,700.45 and 181,310.70

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Solution

The fourth proportional to 307,670.70, 461,700.45 and 181,310.70 is: 272,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,670.70 : 461,700.45 = 181,310.70 : x
  2. Step 2: Convert to fraction form
    307,670.70/461,700.45 = 181,310.70/x
  3. Step 3: Cross multiply
    307,670.70x = 461,700.45 × 181,310.70
  4. Step 4: Simplify right side
    307,670.70x = 83,711,231,779.82
  5. Step 5: Solve for x
    x = 83,711,231,779.82/307,670.70
  6. Step 6: Final answer
    x = 272,080.61

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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.