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Finding the Fourth Proportional to 245,848.66, 368,233.50 and 203,245.90

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Solution

The fourth proportional to 245,848.66, 368,233.50 and 203,245.90 is: 304,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,848.66 : 368,233.50 = 203,245.90 : x
  2. Step 2: Convert to fraction form
    245,848.66/368,233.50 = 203,245.90/x
  3. Step 3: Cross multiply
    245,848.66x = 368,233.50 × 203,245.90
  4. Step 4: Simplify right side
    245,848.66x = 74,841,949,117.65
  5. Step 5: Solve for x
    x = 74,841,949,117.65/245,848.66
  6. Step 6: Final answer
    x = 304,422.85

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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.