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Finding the Fourth Proportional to 443,872.80, 666,226.80 and 233,661.60

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Solution

The fourth proportional to 443,872.80, 666,226.80 and 233,661.60 is: 350,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,872.80 : 666,226.80 = 233,661.60 : x
  2. Step 2: Convert to fraction form
    443,872.80/666,226.80 = 233,661.60/x
  3. Step 3: Cross multiply
    443,872.80x = 666,226.80 × 233,661.60
  4. Step 4: Simplify right side
    443,872.80x = 155,671,620,050.88
  5. Step 5: Solve for x
    x = 155,671,620,050.88/443,872.80
  6. Step 6: Final answer
    x = 350,712.23

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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.