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Finding the Fourth Proportional to 426,352.71, 588,363.12 and 235,362

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Solution

The fourth proportional to 426,352.71, 588,363.12 and 235,362 is: 324,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,352.71 : 588,363.12 = 235,362 : x
  2. Step 2: Convert to fraction form
    426,352.71/588,363.12 = 235,362/x
  3. Step 3: Cross multiply
    426,352.71x = 588,363.12 × 235,362
  4. Step 4: Simplify right side
    426,352.71x = 138,478,320,649.44
  5. Step 5: Solve for x
    x = 138,478,320,649.44/426,352.71
  6. Step 6: Final answer
    x = 324,797.56

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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.