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Finding the Fourth Proportional to 605,354.81, 835,395.28 and 333,423.68

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Solution

The fourth proportional to 605,354.81, 835,395.28 and 333,423.68 is: 460,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,354.81 : 835,395.28 = 333,423.68 : x
  2. Step 2: Convert to fraction form
    605,354.81/835,395.28 = 333,423.68/x
  3. Step 3: Cross multiply
    605,354.81x = 835,395.28 × 333,423.68
  4. Step 4: Simplify right side
    605,354.81x = 278,540,572,894.73
  5. Step 5: Solve for x
    x = 278,540,572,894.73/605,354.81
  6. Step 6: Final answer
    x = 460,127.79

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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.