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Finding the Fourth Proportional to 662,866.80, 994,299.12 and 164,230.80

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Solution

The fourth proportional to 662,866.80, 994,299.12 and 164,230.80 is: 246,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,866.80 : 994,299.12 = 164,230.80 : x
  2. Step 2: Convert to fraction form
    662,866.80/994,299.12 = 164,230.80/x
  3. Step 3: Cross multiply
    662,866.80x = 994,299.12 × 164,230.80
  4. Step 4: Simplify right side
    662,866.80x = 163,294,539,916.90
  5. Step 5: Solve for x
    x = 163,294,539,916.90/662,866.80
  6. Step 6: Final answer
    x = 246,345.93

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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.