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Finding the Fourth Proportional to 577,183.40, 796,280.20 and 383,684.68

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Solution

The fourth proportional to 577,183.40, 796,280.20 and 383,684.68 is: 529,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,183.40 : 796,280.20 = 383,684.68 : x
  2. Step 2: Convert to fraction form
    577,183.40/796,280.20 = 383,684.68/x
  3. Step 3: Cross multiply
    577,183.40x = 796,280.20 × 383,684.68
  4. Step 4: Simplify right side
    577,183.40x = 305,520,513,727.34
  5. Step 5: Solve for x
    x = 305,520,513,727.34/577,183.40
  6. Step 6: Final answer
    x = 529,330.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.