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Finding the Fourth Proportional to 352,358.63, 486,256.19 and 191,213.64

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Solution

The fourth proportional to 352,358.63, 486,256.19 and 191,213.64 is: 263,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,358.63 : 486,256.19 = 191,213.64 : x
  2. Step 2: Convert to fraction form
    352,358.63/486,256.19 = 191,213.64/x
  3. Step 3: Cross multiply
    352,358.63x = 486,256.19 × 191,213.64
  4. Step 4: Simplify right side
    352,358.63x = 92,978,815,106.36
  5. Step 5: Solve for x
    x = 92,978,815,106.36/352,358.63
  6. Step 6: Final answer
    x = 263,875.52

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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.