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Finding the Fourth Proportional to 467,890.20, 701,835.30 and 255,313.80

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Solution

The fourth proportional to 467,890.20, 701,835.30 and 255,313.80 is: 382,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,890.20 : 701,835.30 = 255,313.80 : x
  2. Step 2: Convert to fraction form
    467,890.20/701,835.30 = 255,313.80/x
  3. Step 3: Cross multiply
    467,890.20x = 701,835.30 × 255,313.80
  4. Step 4: Simplify right side
    467,890.20x = 179,188,237,417.14
  5. Step 5: Solve for x
    x = 179,188,237,417.14/467,890.20
  6. Step 6: Final answer
    x = 382,970.70

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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.