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Finding the Fourth Proportional to 375,703.82, 562,620.78 and 262,856.03

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Solution

The fourth proportional to 375,703.82, 562,620.78 and 262,856.03 is: 393,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,703.82 : 562,620.78 = 262,856.03 : x
  2. Step 2: Convert to fraction form
    375,703.82/562,620.78 = 262,856.03/x
  3. Step 3: Cross multiply
    375,703.82x = 562,620.78 × 262,856.03
  4. Step 4: Simplify right side
    375,703.82x = 147,888,264,626.30
  5. Step 5: Solve for x
    x = 147,888,264,626.30/375,703.82
  6. Step 6: Final answer
    x = 393,629.92

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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.