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Finding the Fourth Proportional to 303,143.16, 454,063.06 and 245,960.12

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Solution

The fourth proportional to 303,143.16, 454,063.06 and 245,960.12 is: 368,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,143.16 : 454,063.06 = 245,960.12 : x
  2. Step 2: Convert to fraction form
    303,143.16/454,063.06 = 245,960.12/x
  3. Step 3: Cross multiply
    303,143.16x = 454,063.06 × 245,960.12
  4. Step 4: Simplify right side
    303,143.16x = 111,681,404,725.17
  5. Step 5: Solve for x
    x = 111,681,404,725.17/303,143.16
  6. Step 6: Final answer
    x = 368,411.43

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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.