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Finding the Fourth Proportional to 350,499.28, 483,689.25 and 189,354.28

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Solution

The fourth proportional to 350,499.28, 483,689.25 and 189,354.28 is: 261,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,499.28 : 483,689.25 = 189,354.28 : x
  2. Step 2: Convert to fraction form
    350,499.28/483,689.25 = 189,354.28/x
  3. Step 3: Cross multiply
    350,499.28x = 483,689.25 × 189,354.28
  4. Step 4: Simplify right side
    350,499.28x = 91,588,629,677.49
  5. Step 5: Solve for x
    x = 91,588,629,677.49/350,499.28
  6. Step 6: Final answer
    x = 261,309.04

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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.