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Finding the Fourth Proportional to 426,361.30, 588,363.17 and 235,370.59

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Solution

The fourth proportional to 426,361.30, 588,363.17 and 235,370.59 is: 324,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,361.30 : 588,363.17 = 235,370.59 : x
  2. Step 2: Convert to fraction form
    426,361.30/588,363.17 = 235,370.59/x
  3. Step 3: Cross multiply
    426,361.30x = 588,363.17 × 235,370.59
  4. Step 4: Simplify right side
    426,361.30x = 138,483,386,457.17
  5. Step 5: Solve for x
    x = 138,483,386,457.17/426,361.30
  6. Step 6: Final answer
    x = 324,802.90

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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.