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Finding the Fourth Proportional to 404,119.80, 606,179.70 and 371,314.80

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Solution

The fourth proportional to 404,119.80, 606,179.70 and 371,314.80 is: 556,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,119.80 : 606,179.70 = 371,314.80 : x
  2. Step 2: Convert to fraction form
    404,119.80/606,179.70 = 371,314.80/x
  3. Step 3: Cross multiply
    404,119.80x = 606,179.70 × 371,314.80
  4. Step 4: Simplify right side
    404,119.80x = 225,083,494,069.56
  5. Step 5: Solve for x
    x = 225,083,494,069.56/404,119.80
  6. Step 6: Final answer
    x = 556,972.20

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1.5x scale

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.