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Finding the Fourth Proportional to 351,971.19, 486,121.16 and 238,597.11

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Solution

The fourth proportional to 351,971.19, 486,121.16 and 238,597.11 is: 329,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,971.19 : 486,121.16 = 238,597.11 : x
  2. Step 2: Convert to fraction form
    351,971.19/486,121.16 = 238,597.11/x
  3. Step 3: Cross multiply
    351,971.19x = 486,121.16 × 238,597.11
  4. Step 4: Simplify right side
    351,971.19x = 115,987,104,482.34
  5. Step 5: Solve for x
    x = 115,987,104,482.34/351,971.19
  6. Step 6: Final answer
    x = 329,535.79

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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.