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Finding the Fourth Proportional to 444,013.32, 612,725.94 and 242,805

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Solution

The fourth proportional to 444,013.32, 612,725.94 and 242,805 is: 335,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,013.32 : 612,725.94 = 242,805 : x
  2. Step 2: Convert to fraction form
    444,013.32/612,725.94 = 242,805/x
  3. Step 3: Cross multiply
    444,013.32x = 612,725.94 × 242,805
  4. Step 4: Simplify right side
    444,013.32x = 148,772,921,861.70
  5. Step 5: Solve for x
    x = 148,772,921,861.70/444,013.32
  6. Step 6: Final answer
    x = 335,064.10

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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.