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Finding the Fourth Proportional to 343,703.73, 515,388.93 and 201,595.43

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Solution

The fourth proportional to 343,703.73, 515,388.93 and 201,595.43 is: 302,295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,703.73 : 515,388.93 = 201,595.43 : x
  2. Step 2: Convert to fraction form
    343,703.73/515,388.93 = 201,595.43/x
  3. Step 3: Cross multiply
    343,703.73x = 515,388.93 × 201,595.43
  4. Step 4: Simplify right side
    343,703.73x = 103,900,050,383.65
  5. Step 5: Solve for x
    x = 103,900,050,383.65/343,703.73
  6. Step 6: Final answer
    x = 302,295.38

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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.