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Finding the Fourth Proportional to 554,902.20, 832,353.30 and 199,927.80

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Solution

The fourth proportional to 554,902.20, 832,353.30 and 199,927.80 is: 299,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,902.20 : 832,353.30 = 199,927.80 : x
  2. Step 2: Convert to fraction form
    554,902.20/832,353.30 = 199,927.80/x
  3. Step 3: Cross multiply
    554,902.20x = 832,353.30 × 199,927.80
  4. Step 4: Simplify right side
    554,902.20x = 166,410,564,091.74
  5. Step 5: Solve for x
    x = 166,410,564,091.74/554,902.20
  6. Step 6: Final answer
    x = 299,891.70

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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.