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Finding the Fourth Proportional to 426,892.74, 589,092.81 and 235,902

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Solution

The fourth proportional to 426,892.74, 589,092.81 and 235,902 is: 325,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,892.74 : 589,092.81 = 235,902 : x
  2. Step 2: Convert to fraction form
    426,892.74/589,092.81 = 235,902/x
  3. Step 3: Cross multiply
    426,892.74x = 589,092.81 × 235,902
  4. Step 4: Simplify right side
    426,892.74x = 138,968,172,064.62
  5. Step 5: Solve for x
    x = 138,968,172,064.62/426,892.74
  6. Step 6: Final answer
    x = 325,534.17

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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.