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Finding the Fourth Proportional to 404,532.35, 606,919.25 and 120,232.36

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Solution

The fourth proportional to 404,532.35, 606,919.25 and 120,232.36 is: 180,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,532.35 : 606,919.25 = 120,232.36 : x
  2. Step 2: Convert to fraction form
    404,532.35/606,919.25 = 120,232.36/x
  3. Step 3: Cross multiply
    404,532.35x = 606,919.25 × 120,232.36
  4. Step 4: Simplify right side
    404,532.35x = 72,971,333,756.93
  5. Step 5: Solve for x
    x = 72,971,333,756.93/404,532.35
  6. Step 6: Final answer
    x = 180,384.42

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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.