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Finding the Fourth Proportional to 621,332.62, 932,268.71 and 337,223.89

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Solution

The fourth proportional to 621,332.62, 932,268.71 and 337,223.89 is: 505,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,332.62 : 932,268.71 = 337,223.89 : x
  2. Step 2: Convert to fraction form
    621,332.62/932,268.71 = 337,223.89/x
  3. Step 3: Cross multiply
    621,332.62x = 932,268.71 × 337,223.89
  4. Step 4: Simplify right side
    621,332.62x = 314,383,276,894.69
  5. Step 5: Solve for x
    x = 314,383,276,894.69/621,332.62
  6. Step 6: Final answer
    x = 505,982.25

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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.