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Finding the Fourth Proportional to 350,755.94, 526,211.87 and 163,665.38

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Solution

The fourth proportional to 350,755.94, 526,211.87 and 163,665.38 is: 245,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,755.94 : 526,211.87 = 163,665.38 : x
  2. Step 2: Convert to fraction form
    350,755.94/526,211.87 = 163,665.38/x
  3. Step 3: Cross multiply
    350,755.94x = 526,211.87 × 163,665.38
  4. Step 4: Simplify right side
    350,755.94x = 86,122,665,664.06
  5. Step 5: Solve for x
    x = 86,122,665,664.06/350,755.94
  6. Step 6: Final answer
    x = 245,534.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.