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Finding the Fourth Proportional to 483,294.66, 666,928.08 and 268,448.46

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Solution

The fourth proportional to 483,294.66, 666,928.08 and 268,448.46 is: 370,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,294.66 : 666,928.08 = 268,448.46 : x
  2. Step 2: Convert to fraction form
    483,294.66/666,928.08 = 268,448.46/x
  3. Step 3: Cross multiply
    483,294.66x = 666,928.08 × 268,448.46
  4. Step 4: Simplify right side
    483,294.66x = 179,035,816,006.76
  5. Step 5: Solve for x
    x = 179,035,816,006.76/483,294.66
  6. Step 6: Final answer
    x = 370,448.57

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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.