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Finding the Fourth Proportional to 551,369.40, 773,491.80 and 551,369.40

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Solution

The fourth proportional to 551,369.40, 773,491.80 and 551,369.40 is: 773,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,369.40 : 773,491.80 = 551,369.40 : x
  2. Step 2: Convert to fraction form
    551,369.40/773,491.80 = 551,369.40/x
  3. Step 3: Cross multiply
    551,369.40x = 773,491.80 × 551,369.40
  4. Step 4: Simplify right side
    551,369.40x = 426,479,709,670.92
  5. Step 5: Solve for x
    x = 426,479,709,670.92/551,369.40
  6. Step 6: Final answer
    x = 773,491.80

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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.