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Finding the Fourth Proportional to 474,118.83, 711,178.96 and 193,636.08

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Solution

The fourth proportional to 474,118.83, 711,178.96 and 193,636.08 is: 290,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,118.83 : 711,178.96 = 193,636.08 : x
  2. Step 2: Convert to fraction form
    474,118.83/711,178.96 = 193,636.08/x
  3. Step 3: Cross multiply
    474,118.83x = 711,178.96 × 193,636.08
  4. Step 4: Simplify right side
    474,118.83x = 137,709,905,992.88
  5. Step 5: Solve for x
    x = 137,709,905,992.88/474,118.83
  6. Step 6: Final answer
    x = 290,454.41

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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.