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Finding the Fourth Proportional to 334,429.35, 501,644.03 and 156,954.30

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Solution

The fourth proportional to 334,429.35, 501,644.03 and 156,954.30 is: 235,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,429.35 : 501,644.03 = 156,954.30 : x
  2. Step 2: Convert to fraction form
    334,429.35/501,644.03 = 156,954.30/x
  3. Step 3: Cross multiply
    334,429.35x = 501,644.03 × 156,954.30
  4. Step 4: Simplify right side
    334,429.35x = 78,735,187,577.83
  5. Step 5: Solve for x
    x = 78,735,187,577.83/334,429.35
  6. Step 6: Final answer
    x = 235,431.45

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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.