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Finding the Fourth Proportional to 302,670.70, 453,896.70 and 122,680.60

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Solution

The fourth proportional to 302,670.70, 453,896.70 and 122,680.60 is: 183,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,670.70 : 453,896.70 = 122,680.60 : x
  2. Step 2: Convert to fraction form
    302,670.70/453,896.70 = 122,680.60/x
  3. Step 3: Cross multiply
    302,670.70x = 453,896.70 × 122,680.60
  4. Step 4: Simplify right side
    302,670.70x = 55,684,319,494.02
  5. Step 5: Solve for x
    x = 55,684,319,494.02/302,670.70
  6. Step 6: Final answer
    x = 183,976.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.