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Finding the Fourth Proportional to 349,561.43, 482,380.88 and 206,367.60

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Solution

The fourth proportional to 349,561.43, 482,380.88 and 206,367.60 is: 284,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,561.43 : 482,380.88 = 206,367.60 : x
  2. Step 2: Convert to fraction form
    349,561.43/482,380.88 = 206,367.60/x
  3. Step 3: Cross multiply
    349,561.43x = 482,380.88 × 206,367.60
  4. Step 4: Simplify right side
    349,561.43x = 99,547,784,491.49
  5. Step 5: Solve for x
    x = 99,547,784,491.49/349,561.43
  6. Step 6: Final answer
    x = 284,779.09

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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.