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Finding the Fourth Proportional to 308,209.60, 462,022.80 and 181,946.80

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Solution

The fourth proportional to 308,209.60, 462,022.80 and 181,946.80 is: 272,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,209.60 : 462,022.80 = 181,946.80 : x
  2. Step 2: Convert to fraction form
    308,209.60/462,022.80 = 181,946.80/x
  3. Step 3: Cross multiply
    308,209.60x = 462,022.80 × 181,946.80
  4. Step 4: Simplify right side
    308,209.60x = 84,063,569,987.04
  5. Step 5: Solve for x
    x = 84,063,569,987.04/308,209.60
  6. Step 6: Final answer
    x = 272,748.06

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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.