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Finding the Fourth Proportional to 333,578.59, 500,363.46 and 80,861.30

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Solution

The fourth proportional to 333,578.59, 500,363.46 and 80,861.30 is: 121,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,578.59 : 500,363.46 = 80,861.30 : x
  2. Step 2: Convert to fraction form
    333,578.59/500,363.46 = 80,861.30/x
  3. Step 3: Cross multiply
    333,578.59x = 500,363.46 × 80,861.30
  4. Step 4: Simplify right side
    333,578.59x = 40,460,037,981.23
  5. Step 5: Solve for x
    x = 40,460,037,981.23/333,578.59
  6. Step 6: Final answer
    x = 121,290.87

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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.