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Finding the Fourth Proportional to 551,847.86, 761,825.62 and 361,152.52

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Solution

The fourth proportional to 551,847.86, 761,825.62 and 361,152.52 is: 498,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,847.86 : 761,825.62 = 361,152.52 : x
  2. Step 2: Convert to fraction form
    551,847.86/761,825.62 = 361,152.52/x
  3. Step 3: Cross multiply
    551,847.86x = 761,825.62 × 361,152.52
  4. Step 4: Simplify right side
    551,847.86x = 275,135,242,463.56
  5. Step 5: Solve for x
    x = 275,135,242,463.56/551,847.86
  6. Step 6: Final answer
    x = 498,570.82

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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.