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Finding the Fourth Proportional to 339,692.96, 468,782.10 and 186,737.58

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Solution

The fourth proportional to 339,692.96, 468,782.10 and 186,737.58 is: 257,701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,692.96 : 468,782.10 = 186,737.58 : x
  2. Step 2: Convert to fraction form
    339,692.96/468,782.10 = 186,737.58/x
  3. Step 3: Cross multiply
    339,692.96x = 468,782.10 × 186,737.58
  4. Step 4: Simplify right side
    339,692.96x = 87,539,234,901.32
  5. Step 5: Solve for x
    x = 87,539,234,901.32/339,692.96
  6. Step 6: Final answer
    x = 257,701.06

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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.