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Finding the Fourth Proportional to 374,735.80, 562,103.70 and 262,542.70

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Solution

The fourth proportional to 374,735.80, 562,103.70 and 262,542.70 is: 393,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,735.80 : 562,103.70 = 262,542.70 : x
  2. Step 2: Convert to fraction form
    374,735.80/562,103.70 = 262,542.70/x
  3. Step 3: Cross multiply
    374,735.80x = 562,103.70 × 262,542.70
  4. Step 4: Simplify right side
    374,735.80x = 147,576,223,077.99
  5. Step 5: Solve for x
    x = 147,576,223,077.99/374,735.80
  6. Step 6: Final answer
    x = 393,814.05

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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.