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Finding the Fourth Proportional to 487,850.01, 731,886.17 and 263,206.23

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Solution

The fourth proportional to 487,850.01, 731,886.17 and 263,206.23 is: 394,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,850.01 : 731,886.17 = 263,206.23 : x
  2. Step 2: Convert to fraction form
    487,850.01/731,886.17 = 263,206.23/x
  3. Step 3: Cross multiply
    487,850.01x = 731,886.17 × 263,206.23
  4. Step 4: Simplify right side
    487,850.01x = 192,636,998,278.81
  5. Step 5: Solve for x
    x = 192,636,998,278.81/487,850.01
  6. Step 6: Final answer
    x = 394,869.31

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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.