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Finding the Fourth Proportional to 368,427.80, 552,641.70 and 200,466.20

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Solution

The fourth proportional to 368,427.80, 552,641.70 and 200,466.20 is: 300,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,427.80 : 552,641.70 = 200,466.20 : x
  2. Step 2: Convert to fraction form
    368,427.80/552,641.70 = 200,466.20/x
  3. Step 3: Cross multiply
    368,427.80x = 552,641.70 × 200,466.20
  4. Step 4: Simplify right side
    368,427.80x = 110,785,981,560.54
  5. Step 5: Solve for x
    x = 110,785,981,560.54/368,427.80
  6. Step 6: Final answer
    x = 300,699.30

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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.