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Finding the Fourth Proportional to 560,414.85, 840,559.99 and 200,571.17

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Solution

The fourth proportional to 560,414.85, 840,559.99 and 200,571.17 is: 300,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,414.85 : 840,559.99 = 200,571.17 : x
  2. Step 2: Convert to fraction form
    560,414.85/840,559.99 = 200,571.17/x
  3. Step 3: Cross multiply
    560,414.85x = 840,559.99 × 200,571.17
  4. Step 4: Simplify right side
    560,414.85x = 168,592,099,646.63
  5. Step 5: Solve for x
    x = 168,592,099,646.63/560,414.85
  6. Step 6: Final answer
    x = 300,834.46

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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.