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Finding the Fourth Proportional to 426,241.90, 588,171.95 and 235,242.96

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Solution

The fourth proportional to 426,241.90, 588,171.95 and 235,242.96 is: 324,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,241.90 : 588,171.95 = 235,242.96 : x
  2. Step 2: Convert to fraction form
    426,241.90/588,171.95 = 235,242.96/x
  3. Step 3: Cross multiply
    426,241.90x = 588,171.95 × 235,242.96
  4. Step 4: Simplify right side
    426,241.90x = 138,363,306,389.90
  5. Step 5: Solve for x
    x = 138,363,306,389.90/426,241.90
  6. Step 6: Final answer
    x = 324,612.17

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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.