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Finding the Fourth Proportional to 483,318.32, 666,969 and 268,454.48

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Solution

The fourth proportional to 483,318.32, 666,969 and 268,454.48 is: 370,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,318.32 : 666,969 = 268,454.48 : x
  2. Step 2: Convert to fraction form
    483,318.32/666,969 = 268,454.48/x
  3. Step 3: Cross multiply
    483,318.32x = 666,969 × 268,454.48
  4. Step 4: Simplify right side
    483,318.32x = 179,050,816,071.12
  5. Step 5: Solve for x
    x = 179,050,816,071.12/483,318.32
  6. Step 6: Final answer
    x = 370,461.47

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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.