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Finding the Fourth Proportional to 303,060.60, 454,590.90 and 196,772.40

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Solution

The fourth proportional to 303,060.60, 454,590.90 and 196,772.40 is: 295,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,060.60 : 454,590.90 = 196,772.40 : x
  2. Step 2: Convert to fraction form
    303,060.60/454,590.90 = 196,772.40/x
  3. Step 3: Cross multiply
    303,060.60x = 454,590.90 × 196,772.40
  4. Step 4: Simplify right side
    303,060.60x = 89,450,942,411.16
  5. Step 5: Solve for x
    x = 89,450,942,411.16/303,060.60
  6. Step 6: Final answer
    x = 295,158.60

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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.