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Finding the Fourth Proportional to 550,404.60, 771,616.20 and 550,404.60

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Solution

The fourth proportional to 550,404.60, 771,616.20 and 550,404.60 is: 771,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,404.60 : 771,616.20 = 550,404.60 : x
  2. Step 2: Convert to fraction form
    550,404.60/771,616.20 = 550,404.60/x
  3. Step 3: Cross multiply
    550,404.60x = 771,616.20 × 550,404.60
  4. Step 4: Simplify right side
    550,404.60x = 424,701,105,914.52
  5. Step 5: Solve for x
    x = 424,701,105,914.52/550,404.60
  6. Step 6: Final answer
    x = 771,616.20

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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.