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Finding the Fourth Proportional to 245,853.83, 368,153.15 and 196,006.62

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Solution

The fourth proportional to 245,853.83, 368,153.15 and 196,006.62 is: 293,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,853.83 : 368,153.15 = 196,006.62 : x
  2. Step 2: Convert to fraction form
    245,853.83/368,153.15 = 196,006.62/x
  3. Step 3: Cross multiply
    245,853.83x = 368,153.15 × 196,006.62
  4. Step 4: Simplify right side
    245,853.83x = 72,160,453,593.82
  5. Step 5: Solve for x
    x = 72,160,453,593.82/245,853.83
  6. Step 6: Final answer
    x = 293,509.58

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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.