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Finding the Fourth Proportional to 400,544.41, 600,401.41 and 250,440.00

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Solution

The fourth proportional to 400,544.41, 600,401.41 and 250,440.00 is: 375,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,544.41 : 600,401.41 = 250,440.00 : x
  2. Step 2: Convert to fraction form
    400,544.41/600,401.41 = 250,440.00/x
  3. Step 3: Cross multiply
    400,544.41x = 600,401.41 × 250,440.00
  4. Step 4: Simplify right side
    400,544.41x = 150,364,531,028.78
  5. Step 5: Solve for x
    x = 150,364,531,028.78/400,544.41
  6. Step 6: Final answer
    x = 375,400.40

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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.