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Finding the Fourth Proportional to 374,626.80, 561,940.20 and 262,433.70

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Solution

The fourth proportional to 374,626.80, 561,940.20 and 262,433.70 is: 393,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,626.80 : 561,940.20 = 262,433.70 : x
  2. Step 2: Convert to fraction form
    374,626.80/561,940.20 = 262,433.70/x
  3. Step 3: Cross multiply
    374,626.80x = 561,940.20 × 262,433.70
  4. Step 4: Simplify right side
    374,626.80x = 147,472,045,864.74
  5. Step 5: Solve for x
    x = 147,472,045,864.74/374,626.80
  6. Step 6: Final answer
    x = 393,650.55

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1.5x scale

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.