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Finding the Fourth Proportional to 426,328.91, 588,333.30 and 235,341.84

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Solution

The fourth proportional to 426,328.91, 588,333.30 and 235,341.84 is: 324,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,328.91 : 588,333.30 = 235,341.84 : x
  2. Step 2: Convert to fraction form
    426,328.91/588,333.30 = 235,341.84/x
  3. Step 3: Cross multiply
    426,328.91x = 588,333.30 × 235,341.84
  4. Step 4: Simplify right side
    426,328.91x = 138,459,441,355.27
  5. Step 5: Solve for x
    x = 138,459,441,355.27/426,328.91
  6. Step 6: Final answer
    x = 324,771.41

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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.