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Finding the Fourth Proportional to 311,522.02, 467,283.04 and 98,311.55

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Solution

The fourth proportional to 311,522.02, 467,283.04 and 98,311.55 is: 147,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,522.02 : 467,283.04 = 98,311.55 : x
  2. Step 2: Convert to fraction form
    311,522.02/467,283.04 = 98,311.55/x
  3. Step 3: Cross multiply
    311,522.02x = 467,283.04 × 98,311.55
  4. Step 4: Simplify right side
    311,522.02x = 45,939,317,368.92
  5. Step 5: Solve for x
    x = 45,939,317,368.92/311,522.02
  6. Step 6: Final answer
    x = 147,467.32

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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.