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Finding the Fourth Proportional to 340,851.93, 470,396.75 and 187,889.37

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Solution

The fourth proportional to 340,851.93, 470,396.75 and 187,889.37 is: 259,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,851.93 : 470,396.75 = 187,889.37 : x
  2. Step 2: Convert to fraction form
    340,851.93/470,396.75 = 187,889.37/x
  3. Step 3: Cross multiply
    340,851.93x = 470,396.75 × 187,889.37
  4. Step 4: Simplify right side
    340,851.93x = 88,382,548,068.10
  5. Step 5: Solve for x
    x = 88,382,548,068.10/340,851.93
  6. Step 6: Final answer
    x = 259,298.95

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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.