Home / 455,276.48-682,324.20-305,292.02

Finding the Fourth Proportional to 455,276.48, 682,324.20 and 305,292.02

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Solution

The fourth proportional to 455,276.48, 682,324.20 and 305,292.02 is: 457,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,276.48 : 682,324.20 = 305,292.02 : x
  2. Step 2: Convert to fraction form
    455,276.48/682,324.20 = 305,292.02/x
  3. Step 3: Cross multiply
    455,276.48x = 682,324.20 × 305,292.02
  4. Step 4: Simplify right side
    455,276.48x = 208,308,133,312.88
  5. Step 5: Solve for x
    x = 208,308,133,312.88/455,276.48
  6. Step 6: Final answer
    x = 457,542.05

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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.