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Finding the Fourth Proportional to 308,923.20, 463,384.80 and 248,788.80

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Solution

The fourth proportional to 308,923.20, 463,384.80 and 248,788.80 is: 373,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,923.20 : 463,384.80 = 248,788.80 : x
  2. Step 2: Convert to fraction form
    308,923.20/463,384.80 = 248,788.80/x
  3. Step 3: Cross multiply
    308,923.20x = 463,384.80 × 248,788.80
  4. Step 4: Simplify right side
    308,923.20x = 115,284,948,330.24
  5. Step 5: Solve for x
    x = 115,284,948,330.24/308,923.20
  6. Step 6: Final answer
    x = 373,183.20

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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.