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Finding the Fourth Proportional to 467,802.70, 645,530.60 and 263,788.41

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Solution

The fourth proportional to 467,802.70, 645,530.60 and 263,788.41 is: 364,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,802.70 : 645,530.60 = 263,788.41 : x
  2. Step 2: Convert to fraction form
    467,802.70/645,530.60 = 263,788.41/x
  3. Step 3: Cross multiply
    467,802.70x = 645,530.60 × 263,788.41
  4. Step 4: Simplify right side
    467,802.70x = 170,283,488,545.64
  5. Step 5: Solve for x
    x = 170,283,488,545.64/467,802.70
  6. Step 6: Final answer
    x = 364,007.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.