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Finding the Fourth Proportional to 491,055.36, 735,958.47 and 220,894.62

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Solution

The fourth proportional to 491,055.36, 735,958.47 and 220,894.62 is: 331,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,055.36 : 735,958.47 = 220,894.62 : x
  2. Step 2: Convert to fraction form
    491,055.36/735,958.47 = 220,894.62/x
  3. Step 3: Cross multiply
    491,055.36x = 735,958.47 × 220,894.62
  4. Step 4: Simplify right side
    491,055.36x = 162,569,266,566.43
  5. Step 5: Solve for x
    x = 162,569,266,566.43/491,055.36
  6. Step 6: Final answer
    x = 331,060.98

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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.