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Finding the Fourth Proportional to 458,889.62, 633,012.45 and 426,415.46

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Solution

The fourth proportional to 458,889.62, 633,012.45 and 426,415.46 is: 588,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,889.62 : 633,012.45 = 426,415.46 : x
  2. Step 2: Convert to fraction form
    458,889.62/633,012.45 = 426,415.46/x
  3. Step 3: Cross multiply
    458,889.62x = 633,012.45 × 426,415.46
  4. Step 4: Simplify right side
    458,889.62x = 269,926,295,052.48
  5. Step 5: Solve for x
    x = 269,926,295,052.48/458,889.62
  6. Step 6: Final answer
    x = 588,216.17

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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.