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Finding the Fourth Proportional to 494,730.90, 741,950.55 and 195,111.90

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Solution

The fourth proportional to 494,730.90, 741,950.55 and 195,111.90 is: 292,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,730.90 : 741,950.55 = 195,111.90 : x
  2. Step 2: Convert to fraction form
    494,730.90/741,950.55 = 195,111.90/x
  3. Step 3: Cross multiply
    494,730.90x = 741,950.55 × 195,111.90
  4. Step 4: Simplify right side
    494,730.90x = 144,763,381,516.55
  5. Step 5: Solve for x
    x = 144,763,381,516.55/494,730.90
  6. Step 6: Final answer
    x = 292,610.35

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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.