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Finding the Fourth Proportional to 551,863.90, 826,629.45 and 551,863.90

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Solution

The fourth proportional to 551,863.90, 826,629.45 and 551,863.90 is: 826,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,863.90 : 826,629.45 = 551,863.90 : x
  2. Step 2: Convert to fraction form
    551,863.90/826,629.45 = 551,863.90/x
  3. Step 3: Cross multiply
    551,863.90x = 826,629.45 × 551,863.90
  4. Step 4: Simplify right side
    551,863.90x = 456,186,952,131.86
  5. Step 5: Solve for x
    x = 456,186,952,131.86/551,863.90
  6. Step 6: Final answer
    x = 826,629.45

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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.