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Finding the Fourth Proportional to 200,549.70, 300,824.55 and 177,999.30

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Solution

The fourth proportional to 200,549.70, 300,824.55 and 177,999.30 is: 266,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,549.70 : 300,824.55 = 177,999.30 : x
  2. Step 2: Convert to fraction form
    200,549.70/300,824.55 = 177,999.30/x
  3. Step 3: Cross multiply
    200,549.70x = 300,824.55 × 177,999.30
  4. Step 4: Simplify right side
    200,549.70x = 53,546,559,322.82
  5. Step 5: Solve for x
    x = 53,546,559,322.82/200,549.70
  6. Step 6: Final answer
    x = 266,998.95

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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.