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Finding the Fourth Proportional to 463,545.90, 694,839.42 and 263,435.40

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Solution

The fourth proportional to 463,545.90, 694,839.42 and 263,435.40 is: 394,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,545.90 : 694,839.42 = 263,435.40 : x
  2. Step 2: Convert to fraction form
    463,545.90/694,839.42 = 263,435.40/x
  3. Step 3: Cross multiply
    463,545.90x = 694,839.42 × 263,435.40
  4. Step 4: Simplify right side
    463,545.90x = 183,045,300,543.47
  5. Step 5: Solve for x
    x = 183,045,300,543.47/463,545.90
  6. Step 6: Final answer
    x = 394,880.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.