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Finding the Fourth Proportional to 200,523.56, 300,803.89 and 65,588.39

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Solution

The fourth proportional to 200,523.56, 300,803.89 and 65,588.39 is: 98,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,523.56 : 300,803.89 = 65,588.39 : x
  2. Step 2: Convert to fraction form
    200,523.56/300,803.89 = 65,588.39/x
  3. Step 3: Cross multiply
    200,523.56x = 300,803.89 × 65,588.39
  4. Step 4: Simplify right side
    200,523.56x = 19,729,241,018.88
  5. Step 5: Solve for x
    x = 19,729,241,018.88/200,523.56
  6. Step 6: Final answer
    x = 98,388.65

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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.