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Finding the Fourth Proportional to 404,261.40, 606,891.30 and 254,501.40

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Solution

The fourth proportional to 404,261.40, 606,891.30 and 254,501.40 is: 382,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,261.40 : 606,891.30 = 254,501.40 : x
  2. Step 2: Convert to fraction form
    404,261.40/606,891.30 = 254,501.40/x
  3. Step 3: Cross multiply
    404,261.40x = 606,891.30 × 254,501.40
  4. Step 4: Simplify right side
    404,261.40x = 154,454,685,497.82
  5. Step 5: Solve for x
    x = 154,454,685,497.82/404,261.40
  6. Step 6: Final answer
    x = 382,066.37

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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.