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Finding the Fourth Proportional to 574,763,011.62, 862,689,579.39 and 355,750,863.54

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Solution

The fourth proportional to 574,763,011.62, 862,689,579.39 and 355,750,863.54 is: 533,963,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,763,011.62 : 862,689,579.39 = 355,750,863.54 : x
  2. Step 2: Convert to fraction form
    574,763,011.62/862,689,579.39 = 355,750,863.54/x
  3. Step 3: Cross multiply
    574,763,011.62x = 862,689,579.39 × 355,750,863.54
  4. Step 4: Simplify right side
    574,763,011.62x = 306,902,562,834,951,872
  5. Step 5: Solve for x
    x = 306,902,562,834,951,872/574,763,011.62
  6. Step 6: Final answer
    x = 533,963,662.64

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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.