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Finding the Fourth Proportional to 404,692.04, 606,984.78 and 124,185.80

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Solution

The fourth proportional to 404,692.04, 606,984.78 and 124,185.80 is: 186,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,692.04 : 606,984.78 = 124,185.80 : x
  2. Step 2: Convert to fraction form
    404,692.04/606,984.78 = 124,185.80/x
  3. Step 3: Cross multiply
    404,692.04x = 606,984.78 × 124,185.80
  4. Step 4: Simplify right side
    404,692.04x = 75,378,890,492.12
  5. Step 5: Solve for x
    x = 75,378,890,492.12/404,692.04
  6. Step 6: Final answer
    x = 186,262.35

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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.