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Finding the Fourth Proportional to 554,808.80, 832,213.20 and 200,223.20

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Solution

The fourth proportional to 554,808.80, 832,213.20 and 200,223.20 is: 300,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,808.80 : 832,213.20 = 200,223.20 : x
  2. Step 2: Convert to fraction form
    554,808.80/832,213.20 = 200,223.20/x
  3. Step 3: Cross multiply
    554,808.80x = 832,213.20 × 200,223.20
  4. Step 4: Simplify right side
    554,808.80x = 166,628,389,986.24
  5. Step 5: Solve for x
    x = 166,628,389,986.24/554,808.80
  6. Step 6: Final answer
    x = 300,334.80

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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.