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Finding the Fourth Proportional to 343,511.82, 474,029.64 and 190,556.10

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Solution

The fourth proportional to 343,511.82, 474,029.64 and 190,556.10 is: 262,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,511.82 : 474,029.64 = 190,556.10 : x
  2. Step 2: Convert to fraction form
    343,511.82/474,029.64 = 190,556.10/x
  3. Step 3: Cross multiply
    343,511.82x = 474,029.64 × 190,556.10
  4. Step 4: Simplify right side
    343,511.82x = 90,329,239,482.80
  5. Step 5: Solve for x
    x = 90,329,239,482.80/343,511.82
  6. Step 6: Final answer
    x = 262,958.17

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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.