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Finding the Fourth Proportional to 303,330.91, 418,598.90 and 167,369.91

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Solution

The fourth proportional to 303,330.91, 418,598.90 and 167,369.91 is: 230,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,330.91 : 418,598.90 = 167,369.91 : x
  2. Step 2: Convert to fraction form
    303,330.91/418,598.90 = 167,369.91/x
  3. Step 3: Cross multiply
    303,330.91x = 418,598.90 × 167,369.91
  4. Step 4: Simplify right side
    303,330.91x = 70,060,860,219.10
  5. Step 5: Solve for x
    x = 70,060,860,219.10/303,330.91
  6. Step 6: Final answer
    x = 230,971.71

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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.