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Finding the Fourth Proportional to 316,467.46, 436,686.48 and 252,100.62

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Solution

The fourth proportional to 316,467.46, 436,686.48 and 252,100.62 is: 347,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,467.46 : 436,686.48 = 252,100.62 : x
  2. Step 2: Convert to fraction form
    316,467.46/436,686.48 = 252,100.62/x
  3. Step 3: Cross multiply
    316,467.46x = 436,686.48 × 252,100.62
  4. Step 4: Simplify right side
    316,467.46x = 110,088,932,353.62
  5. Step 5: Solve for x
    x = 110,088,932,353.62/316,467.46
  6. Step 6: Final answer
    x = 347,868.09

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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.