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Finding the Fourth Proportional to 463,940.70, 648,117.30 and 463,940.70

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Solution

The fourth proportional to 463,940.70, 648,117.30 and 463,940.70 is: 648,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,940.70 : 648,117.30 = 463,940.70 : x
  2. Step 2: Convert to fraction form
    463,940.70/648,117.30 = 463,940.70/x
  3. Step 3: Cross multiply
    463,940.70x = 648,117.30 × 463,940.70
  4. Step 4: Simplify right side
    463,940.70x = 300,687,993,844.11
  5. Step 5: Solve for x
    x = 300,687,993,844.11/463,940.70
  6. Step 6: Final answer
    x = 648,117.30

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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.