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Finding the Fourth Proportional to 483,046.08, 666,698.16 and 308,504.16

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Solution

The fourth proportional to 483,046.08, 666,698.16 and 308,504.16 is: 425,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,046.08 : 666,698.16 = 308,504.16 : x
  2. Step 2: Convert to fraction form
    483,046.08/666,698.16 = 308,504.16/x
  3. Step 3: Cross multiply
    483,046.08x = 666,698.16 × 308,504.16
  4. Step 4: Simplify right side
    483,046.08x = 205,679,155,824.35
  5. Step 5: Solve for x
    x = 205,679,155,824.35/483,046.08
  6. Step 6: Final answer
    x = 425,796.14

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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.