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Finding the Fourth Proportional to 372,548.49, 514,128.24 and 263,847.57

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Solution

The fourth proportional to 372,548.49, 514,128.24 and 263,847.57 is: 364,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,548.49 : 514,128.24 = 263,847.57 : x
  2. Step 2: Convert to fraction form
    372,548.49/514,128.24 = 263,847.57/x
  3. Step 3: Cross multiply
    372,548.49x = 514,128.24 × 263,847.57
  4. Step 4: Simplify right side
    372,548.49x = 135,651,486,792.38
  5. Step 5: Solve for x
    x = 135,651,486,792.38/372,548.49
  6. Step 6: Final answer
    x = 364,117.67

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1.5x scale

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.