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Finding the Fourth Proportional to 551,438.10, 773,063.10 and 551,438.10

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Solution

The fourth proportional to 551,438.10, 773,063.10 and 551,438.10 is: 773,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,438.10 : 773,063.10 = 551,438.10 : x
  2. Step 2: Convert to fraction form
    551,438.10/773,063.10 = 551,438.10/x
  3. Step 3: Cross multiply
    551,438.10x = 773,063.10 × 551,438.10
  4. Step 4: Simplify right side
    551,438.10x = 426,296,447,044.11
  5. Step 5: Solve for x
    x = 426,296,447,044.11/551,438.10
  6. Step 6: Final answer
    x = 773,063.10

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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.