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Finding the Fourth Proportional to 404,727.44, 606,985.44 and 120,341.42

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Solution

The fourth proportional to 404,727.44, 606,985.44 and 120,341.42 is: 180,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,727.44 : 606,985.44 = 120,341.42 : x
  2. Step 2: Convert to fraction form
    404,727.44/606,985.44 = 120,341.42/x
  3. Step 3: Cross multiply
    404,727.44x = 606,985.44 × 120,341.42
  4. Step 4: Simplify right side
    404,727.44x = 73,045,486,734.00
  5. Step 5: Solve for x
    x = 73,045,486,734.00/404,727.44
  6. Step 6: Final answer
    x = 180,480.69

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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.