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Finding the Fourth Proportional to 262,466.10, 393,893.55 and 104,807.70

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Solution

The fourth proportional to 262,466.10, 393,893.55 and 104,807.70 is: 157,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,466.10 : 393,893.55 = 104,807.70 : x
  2. Step 2: Convert to fraction form
    262,466.10/393,893.55 = 104,807.70/x
  3. Step 3: Cross multiply
    262,466.10x = 393,893.55 × 104,807.70
  4. Step 4: Simplify right side
    262,466.10x = 41,283,077,020.34
  5. Step 5: Solve for x
    x = 41,283,077,020.34/262,466.10
  6. Step 6: Final answer
    x = 157,289.18

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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.