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Finding the Fourth Proportional to 426,363.05, 588,365.58 and 235,372.34

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Solution

The fourth proportional to 426,363.05, 588,365.58 and 235,372.34 is: 324,805.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,363.05 : 588,365.58 = 235,372.34 : x
  2. Step 2: Convert to fraction form
    426,363.05/588,365.58 = 235,372.34/x
  3. Step 3: Cross multiply
    426,363.05x = 588,365.58 × 235,372.34
  4. Step 4: Simplify right side
    426,363.05x = 138,484,981,280.88
  5. Step 5: Solve for x
    x = 138,484,981,280.88/426,363.05
  6. Step 6: Final answer
    x = 324,805.31

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1.5x scale

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.