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Finding the Fourth Proportional to 250,403.04, 345,574.92 and 154,965.24

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Solution

The fourth proportional to 250,403.04, 345,574.92 and 154,965.24 is: 213,863.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,403.04 : 345,574.92 = 154,965.24 : x
  2. Step 2: Convert to fraction form
    250,403.04/345,574.92 = 154,965.24/x
  3. Step 3: Cross multiply
    250,403.04x = 345,574.92 × 154,965.24
  4. Step 4: Simplify right side
    250,403.04x = 53,552,100,415.78
  5. Step 5: Solve for x
    x = 53,552,100,415.78/250,403.04
  6. Step 6: Final answer
    x = 213,863.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.