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Finding the Fourth Proportional to 332,607.20, 498,910.80 and 83,289.20

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Solution

The fourth proportional to 332,607.20, 498,910.80 and 83,289.20 is: 124,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,607.20 : 498,910.80 = 83,289.20 : x
  2. Step 2: Convert to fraction form
    332,607.20/498,910.80 = 83,289.20/x
  3. Step 3: Cross multiply
    332,607.20x = 498,910.80 × 83,289.20
  4. Step 4: Simplify right side
    332,607.20x = 41,553,881,403.36
  5. Step 5: Solve for x
    x = 41,553,881,403.36/332,607.20
  6. Step 6: Final answer
    x = 124,933.80

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1.5x scale

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.