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Finding the Fourth Proportional to 459,172.94, 633,670.36 and 252,438.80

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Solution

The fourth proportional to 459,172.94, 633,670.36 and 252,438.80 is: 348,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,172.94 : 633,670.36 = 252,438.80 : x
  2. Step 2: Convert to fraction form
    459,172.94/633,670.36 = 252,438.80/x
  3. Step 3: Cross multiply
    459,172.94x = 633,670.36 × 252,438.80
  4. Step 4: Simplify right side
    459,172.94x = 159,962,981,474.52
  5. Step 5: Solve for x
    x = 159,962,981,474.52/459,172.94
  6. Step 6: Final answer
    x = 348,371.97

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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.