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Finding the Fourth Proportional to 768,197.12, 1,150,752.36 and 382,783.44

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Solution

The fourth proportional to 768,197.12, 1,150,752.36 and 382,783.44 is: 573,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,197.12 : 1,150,752.36 = 382,783.44 : x
  2. Step 2: Convert to fraction form
    768,197.12/1,150,752.36 = 382,783.44/x
  3. Step 3: Cross multiply
    768,197.12x = 1,150,752.36 × 382,783.44
  4. Step 4: Simplify right side
    768,197.12x = 440,488,946,948.92
  5. Step 5: Solve for x
    x = 440,488,946,948.92/768,197.12
  6. Step 6: Final answer
    x = 573,406.14

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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.