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Finding the Fourth Proportional to 311,445.45, 467,168.18 and 295,893.45

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Solution

The fourth proportional to 311,445.45, 467,168.18 and 295,893.45 is: 443,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,445.45 : 467,168.18 = 295,893.45 : x
  2. Step 2: Convert to fraction form
    311,445.45/467,168.18 = 295,893.45/x
  3. Step 3: Cross multiply
    311,445.45x = 467,168.18 × 295,893.45
  4. Step 4: Simplify right side
    311,445.45x = 138,232,003,030.95
  5. Step 5: Solve for x
    x = 138,232,003,030.95/311,445.45
  6. Step 6: Final answer
    x = 443,840.18

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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.