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Finding the Fourth Proportional to 311,203.80, 466,416.90 and 228,000.60

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Solution

The fourth proportional to 311,203.80, 466,416.90 and 228,000.60 is: 341,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,203.80 : 466,416.90 = 228,000.60 : x
  2. Step 2: Convert to fraction form
    311,203.80/466,416.90 = 228,000.60/x
  3. Step 3: Cross multiply
    311,203.80x = 466,416.90 × 228,000.60
  4. Step 4: Simplify right side
    311,203.80x = 106,343,333,050.14
  5. Step 5: Solve for x
    x = 106,343,333,050.14/311,203.80
  6. Step 6: Final answer
    x = 341,716.05

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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.