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Finding the Fourth Proportional to 453,760.46, 680,683.51 and 133,913.53

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Solution

The fourth proportional to 453,760.46, 680,683.51 and 133,913.53 is: 200,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,760.46 : 680,683.51 = 133,913.53 : x
  2. Step 2: Convert to fraction form
    453,760.46/680,683.51 = 133,913.53/x
  3. Step 3: Cross multiply
    453,760.46x = 680,683.51 × 133,913.53
  4. Step 4: Simplify right side
    453,760.46x = 91,152,732,655.14
  5. Step 5: Solve for x
    x = 91,152,732,655.14/453,760.46
  6. Step 6: Final answer
    x = 200,882.93

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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.