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Finding the Fourth Proportional to 605,178.39, 907,347.20 and 268,035.33

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Solution

The fourth proportional to 605,178.39, 907,347.20 and 268,035.33 is: 401,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,178.39 : 907,347.20 = 268,035.33 : x
  2. Step 2: Convert to fraction form
    605,178.39/907,347.20 = 268,035.33/x
  3. Step 3: Cross multiply
    605,178.39x = 907,347.20 × 268,035.33
  4. Step 4: Simplify right side
    605,178.39x = 243,201,104,836.40
  5. Step 5: Solve for x
    x = 243,201,104,836.40/605,178.39
  6. Step 6: Final answer
    x = 401,866.80

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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.