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Finding the Fourth Proportional to 551,383.40, 773,511.40 and 551,383.40

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Solution

The fourth proportional to 551,383.40, 773,511.40 and 551,383.40 is: 773,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,383.40 : 773,511.40 = 551,383.40 : x
  2. Step 2: Convert to fraction form
    551,383.40/773,511.40 = 551,383.40/x
  3. Step 3: Cross multiply
    551,383.40x = 773,511.40 × 551,383.40
  4. Step 4: Simplify right side
    551,383.40x = 426,501,345,670.76
  5. Step 5: Solve for x
    x = 426,501,345,670.76/551,383.40
  6. Step 6: Final answer
    x = 773,511.40

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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.