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Finding the Fourth Proportional to 883,208.80, 1,324,910.40 and 322,364.80

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Solution

The fourth proportional to 883,208.80, 1,324,910.40 and 322,364.80 is: 483,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,208.80 : 1,324,910.40 = 322,364.80 : x
  2. Step 2: Convert to fraction form
    883,208.80/1,324,910.40 = 322,364.80/x
  3. Step 3: Cross multiply
    883,208.80x = 1,324,910.40 × 322,364.80
  4. Step 4: Simplify right side
    883,208.80x = 427,104,476,113.92
  5. Step 5: Solve for x
    x = 427,104,476,113.92/883,208.80
  6. Step 6: Final answer
    x = 483,582.68

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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.