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Finding the Fourth Proportional to 551,434.85, 773,058.55 and 551,434.85

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Solution

The fourth proportional to 551,434.85, 773,058.55 and 551,434.85 is: 773,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,434.85 : 773,058.55 = 551,434.85 : x
  2. Step 2: Convert to fraction form
    551,434.85/773,058.55 = 551,434.85/x
  3. Step 3: Cross multiply
    551,434.85x = 773,058.55 × 551,434.85
  4. Step 4: Simplify right side
    551,434.85x = 426,291,425,560.47
  5. Step 5: Solve for x
    x = 426,291,425,560.47/551,434.85
  6. Step 6: Final answer
    x = 773,058.55

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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.