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Finding the Fourth Proportional to 426,998.88, 589,327.20 and 254,926.08

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Solution

The fourth proportional to 426,998.88, 589,327.20 and 254,926.08 is: 351,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,998.88 : 589,327.20 = 254,926.08 : x
  2. Step 2: Convert to fraction form
    426,998.88/589,327.20 = 254,926.08/x
  3. Step 3: Cross multiply
    426,998.88x = 589,327.20 × 254,926.08
  4. Step 4: Simplify right side
    426,998.88x = 150,234,872,933.38
  5. Step 5: Solve for x
    x = 150,234,872,933.38/426,998.88
  6. Step 6: Final answer
    x = 351,839.03

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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.