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Finding the Fourth Proportional to 483,530.52, 666,994.12 and 301,927.16

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Solution

The fourth proportional to 483,530.52, 666,994.12 and 301,927.16 is: 416,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,530.52 : 666,994.12 = 301,927.16 : x
  2. Step 2: Convert to fraction form
    483,530.52/666,994.12 = 301,927.16/x
  3. Step 3: Cross multiply
    483,530.52x = 666,994.12 × 301,927.16
  4. Step 4: Simplify right side
    483,530.52x = 201,383,640,388.30
  5. Step 5: Solve for x
    x = 201,383,640,388.30/483,530.52
  6. Step 6: Final answer
    x = 416,485.89

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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.