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Finding the Fourth Proportional to 800,151.99, 1,199,000.86 and 543,657.89

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Solution

The fourth proportional to 800,151.99, 1,199,000.86 and 543,657.89 is: 814,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,151.99 : 1,199,000.86 = 543,657.89 : x
  2. Step 2: Convert to fraction form
    800,151.99/1,199,000.86 = 543,657.89/x
  3. Step 3: Cross multiply
    800,151.99x = 1,199,000.86 × 543,657.89
  4. Step 4: Simplify right side
    800,151.99x = 651,846,279,294.14
  5. Step 5: Solve for x
    x = 651,846,279,294.14/800,151.99
  6. Step 6: Final answer
    x = 814,653.08

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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.