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Finding the Fourth Proportional to 322,337.80, 483,336.60 and 109,032.40

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Solution

The fourth proportional to 322,337.80, 483,336.60 and 109,032.40 is: 163,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,337.80 : 483,336.60 = 109,032.40 : x
  2. Step 2: Convert to fraction form
    322,337.80/483,336.60 = 109,032.40/x
  3. Step 3: Cross multiply
    322,337.80x = 483,336.60 × 109,032.40
  4. Step 4: Simplify right side
    322,337.80x = 52,699,349,505.84
  5. Step 5: Solve for x
    x = 52,699,349,505.84/322,337.80
  6. Step 6: Final answer
    x = 163,491.06

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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.