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Finding the Fourth Proportional to 364,082.70, 545,905.35 and 186,935.70

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Solution

The fourth proportional to 364,082.70, 545,905.35 and 186,935.70 is: 280,291.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,082.70 : 545,905.35 = 186,935.70 : x
  2. Step 2: Convert to fraction form
    364,082.70/545,905.35 = 186,935.70/x
  3. Step 3: Cross multiply
    364,082.70x = 545,905.35 × 186,935.70
  4. Step 4: Simplify right side
    364,082.70x = 102,049,198,736.00
  5. Step 5: Solve for x
    x = 102,049,198,736.00/364,082.70
  6. Step 6: Final answer
    x = 280,291.26

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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.