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Finding the Fourth Proportional to 394,901.40, 592,352.10 and 235,469.10

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Solution

The fourth proportional to 394,901.40, 592,352.10 and 235,469.10 is: 353,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,901.40 : 592,352.10 = 235,469.10 : x
  2. Step 2: Convert to fraction form
    394,901.40/592,352.10 = 235,469.10/x
  3. Step 3: Cross multiply
    394,901.40x = 592,352.10 × 235,469.10
  4. Step 4: Simplify right side
    394,901.40x = 139,480,615,870.11
  5. Step 5: Solve for x
    x = 139,480,615,870.11/394,901.40
  6. Step 6: Final answer
    x = 353,203.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.