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Finding the Fourth Proportional to 467,941.20, 701,911.80 and 255,364.80

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Solution

The fourth proportional to 467,941.20, 701,911.80 and 255,364.80 is: 383,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,941.20 : 701,911.80 = 255,364.80 : x
  2. Step 2: Convert to fraction form
    467,941.20/701,911.80 = 255,364.80/x
  3. Step 3: Cross multiply
    467,941.20x = 701,911.80 × 255,364.80
  4. Step 4: Simplify right side
    467,941.20x = 179,243,566,424.64
  5. Step 5: Solve for x
    x = 179,243,566,424.64/467,941.20
  6. Step 6: Final answer
    x = 383,047.20

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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.