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Finding the Fourth Proportional to 486,093.24, 670,701.06 and 282,025.89

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Solution

The fourth proportional to 486,093.24, 670,701.06 and 282,025.89 is: 389,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,093.24 : 670,701.06 = 282,025.89 : x
  2. Step 2: Convert to fraction form
    486,093.24/670,701.06 = 282,025.89/x
  3. Step 3: Cross multiply
    486,093.24x = 670,701.06 × 282,025.89
  4. Step 4: Simplify right side
    486,093.24x = 189,155,063,370.44
  5. Step 5: Solve for x
    x = 189,155,063,370.44/486,093.24
  6. Step 6: Final answer
    x = 389,133.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.