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Finding the Fourth Proportional to 245,847.66, 368,232 and 203,244.90

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Solution

The fourth proportional to 245,847.66, 368,232 and 203,244.90 is: 304,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,847.66 : 368,232 = 203,244.90 : x
  2. Step 2: Convert to fraction form
    245,847.66/368,232 = 203,244.90/x
  3. Step 3: Cross multiply
    245,847.66x = 368,232 × 203,244.90
  4. Step 4: Simplify right side
    245,847.66x = 74,841,276,016.80
  5. Step 5: Solve for x
    x = 74,841,276,016.80/245,847.66
  6. Step 6: Final answer
    x = 304,421.35

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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.