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Finding the Fourth Proportional to 443,338.80, 664,024.05 and 364,606.80

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Solution

The fourth proportional to 443,338.80, 664,024.05 and 364,606.80 is: 546,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,338.80 : 664,024.05 = 364,606.80 : x
  2. Step 2: Convert to fraction form
    443,338.80/664,024.05 = 364,606.80/x
  3. Step 3: Cross multiply
    443,338.80x = 664,024.05 × 364,606.80
  4. Step 4: Simplify right side
    443,338.80x = 242,107,683,993.54
  5. Step 5: Solve for x
    x = 242,107,683,993.54/443,338.80
  6. Step 6: Final answer
    x = 546,100.82

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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.