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Finding the Fourth Proportional to 453,022.40, 624,516.11 and 299,803.91

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Solution

The fourth proportional to 453,022.40, 624,516.11 and 299,803.91 is: 413,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,022.40 : 624,516.11 = 299,803.91 : x
  2. Step 2: Convert to fraction form
    453,022.40/624,516.11 = 299,803.91/x
  3. Step 3: Cross multiply
    453,022.40x = 624,516.11 × 299,803.91
  4. Step 4: Simplify right side
    453,022.40x = 187,232,370,136.97
  5. Step 5: Solve for x
    x = 187,232,370,136.97/453,022.40
  6. Step 6: Final answer
    x = 413,296.06

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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.