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Finding the Fourth Proportional to 444,614.86, 613,646.04 and 263,428.80

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Solution

The fourth proportional to 444,614.86, 613,646.04 and 263,428.80 is: 363,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,614.86 : 613,646.04 = 263,428.80 : x
  2. Step 2: Convert to fraction form
    444,614.86/613,646.04 = 263,428.80/x
  3. Step 3: Cross multiply
    444,614.86x = 613,646.04 × 263,428.80
  4. Step 4: Simplify right side
    444,614.86x = 161,652,039,941.95
  5. Step 5: Solve for x
    x = 161,652,039,941.95/444,614.86
  6. Step 6: Final answer
    x = 363,577.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.