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Finding the Fourth Proportional to 551,454.60, 773,086.20 and 551,454.60

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Solution

The fourth proportional to 551,454.60, 773,086.20 and 551,454.60 is: 773,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,454.60 : 773,086.20 = 551,454.60 : x
  2. Step 2: Convert to fraction form
    551,454.60/773,086.20 = 551,454.60/x
  3. Step 3: Cross multiply
    551,454.60x = 773,086.20 × 551,454.60
  4. Step 4: Simplify right side
    551,454.60x = 426,321,941,186.52
  5. Step 5: Solve for x
    x = 426,321,941,186.52/551,454.60
  6. Step 6: Final answer
    x = 773,086.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.