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Finding the Fourth Proportional to 886,563.10, 1,330,679.85 and 466,140.70

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Solution

The fourth proportional to 886,563.10, 1,330,679.85 and 466,140.70 is: 699,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,563.10 : 1,330,679.85 = 466,140.70 : x
  2. Step 2: Convert to fraction form
    886,563.10/1,330,679.85 = 466,140.70/x
  3. Step 3: Cross multiply
    886,563.10x = 1,330,679.85 × 466,140.70
  4. Step 4: Simplify right side
    886,563.10x = 620,284,036,754.90
  5. Step 5: Solve for x
    x = 620,284,036,754.90/886,563.10
  6. Step 6: Final answer
    x = 699,650.18

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Double scale
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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.