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Finding the Fourth Proportional to 483,603.90, 725,405.85 and 371,848.20

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Solution

The fourth proportional to 483,603.90, 725,405.85 and 371,848.20 is: 557,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,603.90 : 725,405.85 = 371,848.20 : x
  2. Step 2: Convert to fraction form
    483,603.90/725,405.85 = 371,848.20/x
  3. Step 3: Cross multiply
    483,603.90x = 725,405.85 × 371,848.20
  4. Step 4: Simplify right side
    483,603.90x = 269,740,859,591.97
  5. Step 5: Solve for x
    x = 269,740,859,591.97/483,603.90
  6. Step 6: Final answer
    x = 557,772.30

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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.