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Finding the Fourth Proportional to 354,223.44, 488,840.84 and 201,259.44

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Solution

The fourth proportional to 354,223.44, 488,840.84 and 201,259.44 is: 277,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,223.44 : 488,840.84 = 201,259.44 : x
  2. Step 2: Convert to fraction form
    354,223.44/488,840.84 = 201,259.44/x
  3. Step 3: Cross multiply
    354,223.44x = 488,840.84 × 201,259.44
  4. Step 4: Simplify right side
    354,223.44x = 98,383,833,707.53
  5. Step 5: Solve for x
    x = 98,383,833,707.53/354,223.44
  6. Step 6: Final answer
    x = 277,745.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.