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Finding the Fourth Proportional to 303,568.32, 418,924.88 and 167,602.53

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Solution

The fourth proportional to 303,568.32, 418,924.88 and 167,602.53 is: 231,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,568.32 : 418,924.88 = 167,602.53 : x
  2. Step 2: Convert to fraction form
    303,568.32/418,924.88 = 167,602.53/x
  3. Step 3: Cross multiply
    303,568.32x = 418,924.88 × 167,602.53
  4. Step 4: Simplify right side
    303,568.32x = 70,212,869,767.95
  5. Step 5: Solve for x
    x = 70,212,869,767.95/303,568.32
  6. Step 6: Final answer
    x = 231,291.82

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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.