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Finding the Fourth Proportional to 606,861.20, 908,218.20 and 532,211.60

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Solution

The fourth proportional to 606,861.20, 908,218.20 and 532,211.60 is: 796,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,861.20 : 908,218.20 = 532,211.60 : x
  2. Step 2: Convert to fraction form
    606,861.20/908,218.20 = 532,211.60/x
  3. Step 3: Cross multiply
    606,861.20x = 908,218.20 × 532,211.60
  4. Step 4: Simplify right side
    606,861.20x = 483,364,261,371.12
  5. Step 5: Solve for x
    x = 483,364,261,371.12/606,861.20
  6. Step 6: Final answer
    x = 796,498.87

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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.