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Finding the Fourth Proportional to 404,593.50, 606,919.41 and 155,275.50

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Solution

The fourth proportional to 404,593.50, 606,919.41 and 155,275.50 is: 232,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,593.50 : 606,919.41 = 155,275.50 : x
  2. Step 2: Convert to fraction form
    404,593.50/606,919.41 = 155,275.50/x
  3. Step 3: Cross multiply
    404,593.50x = 606,919.41 × 155,275.50
  4. Step 4: Simplify right side
    404,593.50x = 94,239,714,847.46
  5. Step 5: Solve for x
    x = 94,239,714,847.46/404,593.50
  6. Step 6: Final answer
    x = 232,924.44

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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.