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Finding the Fourth Proportional to 371,051.68, 511,809.24 and 234,943.78

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Solution

The fourth proportional to 371,051.68, 511,809.24 and 234,943.78 is: 324,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,051.68 : 511,809.24 = 234,943.78 : x
  2. Step 2: Convert to fraction form
    371,051.68/511,809.24 = 234,943.78/x
  3. Step 3: Cross multiply
    371,051.68x = 511,809.24 × 234,943.78
  4. Step 4: Simplify right side
    371,051.68x = 120,246,397,484.53
  5. Step 5: Solve for x
    x = 120,246,397,484.53/371,051.68
  6. Step 6: Final answer
    x = 324,069.14

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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.