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Finding the Fourth Proportional to 303,008.40, 454,512.60 and 134,463.60

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Solution

The fourth proportional to 303,008.40, 454,512.60 and 134,463.60 is: 201,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,008.40 : 454,512.60 = 134,463.60 : x
  2. Step 2: Convert to fraction form
    303,008.40/454,512.60 = 134,463.60/x
  3. Step 3: Cross multiply
    303,008.40x = 454,512.60 × 134,463.60
  4. Step 4: Simplify right side
    303,008.40x = 61,115,400,441.36
  5. Step 5: Solve for x
    x = 61,115,400,441.36/303,008.40
  6. Step 6: Final answer
    x = 201,695.40

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1.5x scale

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.