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Finding the Fourth Proportional to 840,532.32, 1,260,997.74 and 241,479

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Solution

The fourth proportional to 840,532.32, 1,260,997.74 and 241,479 is: 362,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,532.32 : 1,260,997.74 = 241,479 : x
  2. Step 2: Convert to fraction form
    840,532.32/1,260,997.74 = 241,479/x
  3. Step 3: Cross multiply
    840,532.32x = 1,260,997.74 × 241,479
  4. Step 4: Simplify right side
    840,532.32x = 304,504,473,257.46
  5. Step 5: Solve for x
    x = 304,504,473,257.46/840,532.32
  6. Step 6: Final answer
    x = 362,275.75

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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.