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Finding the Fourth Proportional to 456,727.58, 685,042.16 and 119,802

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Solution

The fourth proportional to 456,727.58, 685,042.16 and 119,802 is: 179,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,727.58 : 685,042.16 = 119,802 : x
  2. Step 2: Convert to fraction form
    456,727.58/685,042.16 = 119,802/x
  3. Step 3: Cross multiply
    456,727.58x = 685,042.16 × 119,802
  4. Step 4: Simplify right side
    456,727.58x = 82,069,420,253.31
  5. Step 5: Solve for x
    x = 82,069,420,253.31/456,727.58
  6. Step 6: Final answer
    x = 179,690.09

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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.