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Finding the Fourth Proportional to 297,133.95, 445,467.65 and 203,355.39

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Solution

The fourth proportional to 297,133.95, 445,467.65 and 203,355.39 is: 304,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,133.95 : 445,467.65 = 203,355.39 : x
  2. Step 2: Convert to fraction form
    297,133.95/445,467.65 = 203,355.39/x
  3. Step 3: Cross multiply
    297,133.95x = 445,467.65 × 203,355.39
  4. Step 4: Simplify right side
    297,133.95x = 90,588,246,681.36
  5. Step 5: Solve for x
    x = 90,588,246,681.36/297,133.95
  6. Step 6: Final answer
    x = 304,873.43

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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.