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Finding the Fourth Proportional to 404,224.80, 606,337.20 and 262,507.20

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Solution

The fourth proportional to 404,224.80, 606,337.20 and 262,507.20 is: 393,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,224.80 : 606,337.20 = 262,507.20 : x
  2. Step 2: Convert to fraction form
    404,224.80/606,337.20 = 262,507.20/x
  3. Step 3: Cross multiply
    404,224.80x = 606,337.20 × 262,507.20
  4. Step 4: Simplify right side
    404,224.80x = 159,167,880,627.84
  5. Step 5: Solve for x
    x = 159,167,880,627.84/404,224.80
  6. Step 6: Final answer
    x = 393,760.80

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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.