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Finding the Fourth Proportional to 303,315.66, 418,599.09 and 167,376.60

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Solution

The fourth proportional to 303,315.66, 418,599.09 and 167,376.60 is: 230,992.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,315.66 : 418,599.09 = 167,376.60 : x
  2. Step 2: Convert to fraction form
    303,315.66/418,599.09 = 167,376.60/x
  3. Step 3: Cross multiply
    303,315.66x = 418,599.09 × 167,376.60
  4. Step 4: Simplify right side
    303,315.66x = 70,063,692,447.29
  5. Step 5: Solve for x
    x = 70,063,692,447.29/303,315.66
  6. Step 6: Final answer
    x = 230,992.66

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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.