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Finding the Fourth Proportional to 356,692.44, 492,220.06 and 213,531.42

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Solution

The fourth proportional to 356,692.44, 492,220.06 and 213,531.42 is: 294,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,692.44 : 492,220.06 = 213,531.42 : x
  2. Step 2: Convert to fraction form
    356,692.44/492,220.06 = 213,531.42/x
  3. Step 3: Cross multiply
    356,692.44x = 492,220.06 × 213,531.42
  4. Step 4: Simplify right side
    356,692.44x = 105,104,448,364.29
  5. Step 5: Solve for x
    x = 105,104,448,364.29/356,692.44
  6. Step 6: Final answer
    x = 294,664.08

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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.