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Finding the Fourth Proportional to 551,404.90, 773,541.50 and 551,404.90

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Solution

The fourth proportional to 551,404.90, 773,541.50 and 551,404.90 is: 773,541.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,404.90 : 773,541.50 = 551,404.90 : x
  2. Step 2: Convert to fraction form
    551,404.90/773,541.50 = 551,404.90/x
  3. Step 3: Cross multiply
    551,404.90x = 773,541.50 × 551,404.90
  4. Step 4: Simplify right side
    551,404.90x = 426,534,573,453.35
  5. Step 5: Solve for x
    x = 426,534,573,453.35/551,404.90
  6. Step 6: Final answer
    x = 773,541.50

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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.