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Finding the Fourth Proportional to 358,103.04, 536,843.52 and 210,048

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Solution

The fourth proportional to 358,103.04, 536,843.52 and 210,048 is: 314,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,103.04 : 536,843.52 = 210,048 : x
  2. Step 2: Convert to fraction form
    358,103.04/536,843.52 = 210,048/x
  3. Step 3: Cross multiply
    358,103.04x = 536,843.52 × 210,048
  4. Step 4: Simplify right side
    358,103.04x = 112,762,907,688.96
  5. Step 5: Solve for x
    x = 112,762,907,688.96/358,103.04
  6. Step 6: Final answer
    x = 314,889.56

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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.