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Finding the Fourth Proportional to 408,648.25, 612,966.23 and 183,849.94

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Solution

The fourth proportional to 408,648.25, 612,966.23 and 183,849.94 is: 275,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,648.25 : 612,966.23 = 183,849.94 : x
  2. Step 2: Convert to fraction form
    408,648.25/612,966.23 = 183,849.94/x
  3. Step 3: Cross multiply
    408,648.25x = 612,966.23 × 183,849.94
  4. Step 4: Simplify right side
    408,648.25x = 112,693,804,607.53
  5. Step 5: Solve for x
    x = 112,693,804,607.53/408,648.25
  6. Step 6: Final answer
    x = 275,772.15

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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.