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Finding the Fourth Proportional to 340,583.06, 470,004.63 and 189,680.06

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Solution

The fourth proportional to 340,583.06, 470,004.63 and 189,680.06 is: 261,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,583.06 : 470,004.63 = 189,680.06 : x
  2. Step 2: Convert to fraction form
    340,583.06/470,004.63 = 189,680.06/x
  3. Step 3: Cross multiply
    340,583.06x = 470,004.63 × 189,680.06
  4. Step 4: Simplify right side
    340,583.06x = 89,150,506,882.39
  5. Step 5: Solve for x
    x = 89,150,506,882.39/340,583.06
  6. Step 6: Final answer
    x = 261,758.49

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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.