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Finding the Fourth Proportional to 444,090.80, 666,136.20 and 207,894.80

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Solution

The fourth proportional to 444,090.80, 666,136.20 and 207,894.80 is: 311,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,090.80 : 666,136.20 = 207,894.80 : x
  2. Step 2: Convert to fraction form
    444,090.80/666,136.20 = 207,894.80/x
  3. Step 3: Cross multiply
    444,090.80x = 666,136.20 × 207,894.80
  4. Step 4: Simplify right side
    444,090.80x = 138,486,252,071.76
  5. Step 5: Solve for x
    x = 138,486,252,071.76/444,090.80
  6. Step 6: Final answer
    x = 311,842.20

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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.