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Finding the Fourth Proportional to 303,553.92, 418,904.52 and 167,587.98

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Solution

The fourth proportional to 303,553.92, 418,904.52 and 167,587.98 is: 231,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,553.92 : 418,904.52 = 167,587.98 : x
  2. Step 2: Convert to fraction form
    303,553.92/418,904.52 = 167,587.98/x
  3. Step 3: Cross multiply
    303,553.92x = 418,904.52 × 167,587.98
  4. Step 4: Simplify right side
    303,553.92x = 70,203,362,319.67
  5. Step 5: Solve for x
    x = 70,203,362,319.67/303,553.92
  6. Step 6: Final answer
    x = 231,271.47

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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.