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Finding the Fourth Proportional to 551,451.10, 773,081.30 and 551,451.10

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Solution

The fourth proportional to 551,451.10, 773,081.30 and 551,451.10 is: 773,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,451.10 : 773,081.30 = 551,451.10 : x
  2. Step 2: Convert to fraction form
    551,451.10/773,081.30 = 551,451.10/x
  3. Step 3: Cross multiply
    551,451.10x = 773,081.30 × 551,451.10
  4. Step 4: Simplify right side
    551,451.10x = 426,316,533,274.43
  5. Step 5: Solve for x
    x = 426,316,533,274.43/551,451.10
  6. Step 6: Final answer
    x = 773,081.30

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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.