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Finding the Fourth Proportional to 303,250.64, 454,869.74 and 134,725.28

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Solution

The fourth proportional to 303,250.64, 454,869.74 and 134,725.28 is: 202,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,250.64 : 454,869.74 = 134,725.28 : x
  2. Step 2: Convert to fraction form
    303,250.64/454,869.74 = 134,725.28/x
  3. Step 3: Cross multiply
    303,250.64x = 454,869.74 × 134,725.28
  4. Step 4: Simplify right side
    303,250.64x = 61,282,450,137.05
  5. Step 5: Solve for x
    x = 61,282,450,137.05/303,250.64
  6. Step 6: Final answer
    x = 202,085.15

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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.