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Finding the Fourth Proportional to 565,240.80, 847,861.20 and 512,096.70

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Solution

The fourth proportional to 565,240.80, 847,861.20 and 512,096.70 is: 768,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,240.80 : 847,861.20 = 512,096.70 : x
  2. Step 2: Convert to fraction form
    565,240.80/847,861.20 = 512,096.70/x
  3. Step 3: Cross multiply
    565,240.80x = 847,861.20 × 512,096.70
  4. Step 4: Simplify right side
    565,240.80x = 434,186,922,578.04
  5. Step 5: Solve for x
    x = 434,186,922,578.04/565,240.80
  6. Step 6: Final answer
    x = 768,145.05

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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.