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Finding the Fourth Proportional to 453,716.15, 626,136.31 and 246,990.52

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Solution

The fourth proportional to 453,716.15, 626,136.31 and 246,990.52 is: 340,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,716.15 : 626,136.31 = 246,990.52 : x
  2. Step 2: Convert to fraction form
    453,716.15/626,136.31 = 246,990.52/x
  3. Step 3: Cross multiply
    453,716.15x = 626,136.31 × 246,990.52
  4. Step 4: Simplify right side
    453,716.15x = 154,649,732,499.87
  5. Step 5: Solve for x
    x = 154,649,732,499.87/453,716.15
  6. Step 6: Final answer
    x = 340,851.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.