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Finding the Fourth Proportional to 331,338.56, 497,023.20 and 94,714.88

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Solution

The fourth proportional to 331,338.56, 497,023.20 and 94,714.88 is: 142,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,338.56 : 497,023.20 = 94,714.88 : x
  2. Step 2: Convert to fraction form
    331,338.56/497,023.20 = 94,714.88/x
  3. Step 3: Cross multiply
    331,338.56x = 497,023.20 × 94,714.88
  4. Step 4: Simplify right side
    331,338.56x = 47,075,492,745.22
  5. Step 5: Solve for x
    x = 47,075,492,745.22/331,338.56
  6. Step 6: Final answer
    x = 142,076.71

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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.