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Finding the Fourth Proportional to 220,250.34, 303,679.53 and 186,198.75

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Solution

The fourth proportional to 220,250.34, 303,679.53 and 186,198.75 is: 256,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,250.34 : 303,679.53 = 186,198.75 : x
  2. Step 2: Convert to fraction form
    220,250.34/303,679.53 = 186,198.75/x
  3. Step 3: Cross multiply
    220,250.34x = 303,679.53 × 186,198.75
  4. Step 4: Simplify right side
    220,250.34x = 56,544,748,886.59
  5. Step 5: Solve for x
    x = 56,544,748,886.59/220,250.34
  6. Step 6: Final answer
    x = 256,729.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.