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Finding the Fourth Proportional to 444,136.80, 666,205.20 and 441,026.40

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Solution

The fourth proportional to 444,136.80, 666,205.20 and 441,026.40 is: 661,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,136.80 : 666,205.20 = 441,026.40 : x
  2. Step 2: Convert to fraction form
    444,136.80/666,205.20 = 441,026.40/x
  3. Step 3: Cross multiply
    444,136.80x = 666,205.20 × 441,026.40
  4. Step 4: Simplify right side
    444,136.80x = 293,814,081,017.28
  5. Step 5: Solve for x
    x = 293,814,081,017.28/444,136.80
  6. Step 6: Final answer
    x = 661,539.60

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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.