Home / 311,256.20-466,884.30-304,695.20

Finding the Fourth Proportional to 311,256.20, 466,884.30 and 304,695.20

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Solution

The fourth proportional to 311,256.20, 466,884.30 and 304,695.20 is: 457,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,256.20 : 466,884.30 = 304,695.20 : x
  2. Step 2: Convert to fraction form
    311,256.20/466,884.30 = 304,695.20/x
  3. Step 3: Cross multiply
    311,256.20x = 466,884.30 × 304,695.20
  4. Step 4: Simplify right side
    311,256.20x = 142,257,405,165.36
  5. Step 5: Solve for x
    x = 142,257,405,165.36/311,256.20
  6. Step 6: Final answer
    x = 457,042.80

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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.