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Finding the Fourth Proportional to 483,460.15, 667,193.57 and 265,678.01

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Solution

The fourth proportional to 483,460.15, 667,193.57 and 265,678.01 is: 366,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,460.15 : 667,193.57 = 265,678.01 : x
  2. Step 2: Convert to fraction form
    483,460.15/667,193.57 = 265,678.01/x
  3. Step 3: Cross multiply
    483,460.15x = 667,193.57 × 265,678.01
  4. Step 4: Simplify right side
    483,460.15x = 177,258,659,962.40
  5. Step 5: Solve for x
    x = 177,258,659,962.40/483,460.15
  6. Step 6: Final answer
    x = 366,645.85

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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.