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Finding the Fourth Proportional to 551,381.40, 773,508.60 and 551,381.40

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Solution

The fourth proportional to 551,381.40, 773,508.60 and 551,381.40 is: 773,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,381.40 : 773,508.60 = 551,381.40 : x
  2. Step 2: Convert to fraction form
    551,381.40/773,508.60 = 551,381.40/x
  3. Step 3: Cross multiply
    551,381.40x = 773,508.60 × 551,381.40
  4. Step 4: Simplify right side
    551,381.40x = 426,498,254,780.04
  5. Step 5: Solve for x
    x = 426,498,254,780.04/551,381.40
  6. Step 6: Final answer
    x = 773,508.60

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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.