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Finding the Fourth Proportional to 483,136.04, 666,825.62 and 279,195.53

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Solution

The fourth proportional to 483,136.04, 666,825.62 and 279,195.53 is: 385,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,136.04 : 666,825.62 = 279,195.53 : x
  2. Step 2: Convert to fraction form
    483,136.04/666,825.62 = 279,195.53/x
  3. Step 3: Cross multiply
    483,136.04x = 666,825.62 × 279,195.53
  4. Step 4: Simplify right side
    483,136.04x = 186,174,727,663.37
  5. Step 5: Solve for x
    x = 186,174,727,663.37/483,136.04
  6. Step 6: Final answer
    x = 385,346.39

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1.5x scale

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.