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Finding the Fourth Proportional to 303,218.40, 454,827.60 and 250,074.30

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Solution

The fourth proportional to 303,218.40, 454,827.60 and 250,074.30 is: 375,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,218.40 : 454,827.60 = 250,074.30 : x
  2. Step 2: Convert to fraction form
    303,218.40/454,827.60 = 250,074.30/x
  3. Step 3: Cross multiply
    303,218.40x = 454,827.60 × 250,074.30
  4. Step 4: Simplify right side
    303,218.40x = 113,740,693,690.68
  5. Step 5: Solve for x
    x = 113,740,693,690.68/303,218.40
  6. Step 6: Final answer
    x = 375,111.45

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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.