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Finding the Fourth Proportional to 404,344.20, 606,516.30 and 333,485.40

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Solution

The fourth proportional to 404,344.20, 606,516.30 and 333,485.40 is: 500,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,344.20 : 606,516.30 = 333,485.40 : x
  2. Step 2: Convert to fraction form
    404,344.20/606,516.30 = 333,485.40/x
  3. Step 3: Cross multiply
    404,344.20x = 606,516.30 × 333,485.40
  4. Step 4: Simplify right side
    404,344.20x = 202,264,330,912.02
  5. Step 5: Solve for x
    x = 202,264,330,912.02/404,344.20
  6. Step 6: Final answer
    x = 500,228.10

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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.