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Finding the Fourth Proportional to 303,596.93, 418,955.78 and 167,627.95

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Solution

The fourth proportional to 303,596.93, 418,955.78 and 167,627.95 is: 231,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,596.93 : 418,955.78 = 167,627.95 : x
  2. Step 2: Convert to fraction form
    303,596.93/418,955.78 = 167,627.95/x
  3. Step 3: Cross multiply
    303,596.93x = 418,955.78 × 167,627.95
  4. Step 4: Simplify right side
    303,596.93x = 70,228,696,970.82
  5. Step 5: Solve for x
    x = 70,228,696,970.82/303,596.93
  6. Step 6: Final answer
    x = 231,322.16

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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.