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Finding the Fourth Proportional to 354,328.32, 488,954.54 and 201,346.04

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Solution

The fourth proportional to 354,328.32, 488,954.54 and 201,346.04 is: 277,847.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,328.32 : 488,954.54 = 201,346.04 : x
  2. Step 2: Convert to fraction form
    354,328.32/488,954.54 = 201,346.04/x
  3. Step 3: Cross multiply
    354,328.32x = 488,954.54 × 201,346.04
  4. Step 4: Simplify right side
    354,328.32x = 98,449,060,369.02
  5. Step 5: Solve for x
    x = 98,449,060,369.02/354,328.32
  6. Step 6: Final answer
    x = 277,847.00

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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.