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Finding the Fourth Proportional to 245,866.20, 368,216.10 and 245,866.20

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Solution

The fourth proportional to 245,866.20, 368,216.10 and 245,866.20 is: 368,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,866.20 : 368,216.10 = 245,866.20 : x
  2. Step 2: Convert to fraction form
    245,866.20/368,216.10 = 245,866.20/x
  3. Step 3: Cross multiply
    245,866.20x = 368,216.10 × 245,866.20
  4. Step 4: Simplify right side
    245,866.20x = 90,531,893,285.82
  5. Step 5: Solve for x
    x = 90,531,893,285.82/245,866.20
  6. Step 6: Final answer
    x = 368,216.10

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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.