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Finding the Fourth Proportional to 354,168.30, 488,765.45 and 201,232.42

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Solution

The fourth proportional to 354,168.30, 488,765.45 and 201,232.42 is: 277,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,168.30 : 488,765.45 = 201,232.42 : x
  2. Step 2: Convert to fraction form
    354,168.30/488,765.45 = 201,232.42/x
  3. Step 3: Cross multiply
    354,168.30x = 488,765.45 × 201,232.42
  4. Step 4: Simplify right side
    354,168.30x = 98,355,454,315.89
  5. Step 5: Solve for x
    x = 98,355,454,315.89/354,168.30
  6. Step 6: Final answer
    x = 277,708.24

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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.