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Finding the Fourth Proportional to 397,622.66, 548,510.14 and 236,363

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Solution

The fourth proportional to 397,622.66, 548,510.14 and 236,363 is: 326,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,622.66 : 548,510.14 = 236,363 : x
  2. Step 2: Convert to fraction form
    397,622.66/548,510.14 = 236,363/x
  3. Step 3: Cross multiply
    397,622.66x = 548,510.14 × 236,363
  4. Step 4: Simplify right side
    397,622.66x = 129,647,502,220.82
  5. Step 5: Solve for x
    x = 129,647,502,220.82/397,622.66
  6. Step 6: Final answer
    x = 326,056.62

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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.