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Finding the Fourth Proportional to 383,899.80, 575,849.70 and 170,667.30

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Solution

The fourth proportional to 383,899.80, 575,849.70 and 170,667.30 is: 256,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,899.80 : 575,849.70 = 170,667.30 : x
  2. Step 2: Convert to fraction form
    383,899.80/575,849.70 = 170,667.30/x
  3. Step 3: Cross multiply
    383,899.80x = 575,849.70 × 170,667.30
  4. Step 4: Simplify right side
    383,899.80x = 98,278,713,504.81
  5. Step 5: Solve for x
    x = 98,278,713,504.81/383,899.80
  6. Step 6: Final answer
    x = 256,000.95

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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.