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Finding the Fourth Proportional to 404,480.10, 606,720.15 and 254,889.30

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Solution

The fourth proportional to 404,480.10, 606,720.15 and 254,889.30 is: 382,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,480.10 : 606,720.15 = 254,889.30 : x
  2. Step 2: Convert to fraction form
    404,480.10/606,720.15 = 254,889.30/x
  3. Step 3: Cross multiply
    404,480.10x = 606,720.15 × 254,889.30
  4. Step 4: Simplify right side
    404,480.10x = 154,646,474,329.40
  5. Step 5: Solve for x
    x = 154,646,474,329.40/404,480.10
  6. Step 6: Final answer
    x = 382,333.95

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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.