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Finding the Fourth Proportional to 522,272.94, 720,747.59 and 295,918.44

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Solution

The fourth proportional to 522,272.94, 720,747.59 and 295,918.44 is: 408,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,272.94 : 720,747.59 = 295,918.44 : x
  2. Step 2: Convert to fraction form
    522,272.94/720,747.59 = 295,918.44/x
  3. Step 3: Cross multiply
    522,272.94x = 720,747.59 × 295,918.44
  4. Step 4: Simplify right side
    522,272.94x = 213,282,500,294.79
  5. Step 5: Solve for x
    x = 213,282,500,294.79/522,272.94
  6. Step 6: Final answer
    x = 408,373.64

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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.