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Finding the Fourth Proportional to 196,312.60, 294,906.30 and 188,342.20

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Solution

The fourth proportional to 196,312.60, 294,906.30 and 188,342.20 is: 282,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,312.60 : 294,906.30 = 188,342.20 : x
  2. Step 2: Convert to fraction form
    196,312.60/294,906.30 = 188,342.20/x
  3. Step 3: Cross multiply
    196,312.60x = 294,906.30 × 188,342.20
  4. Step 4: Simplify right side
    196,312.60x = 55,543,301,335.86
  5. Step 5: Solve for x
    x = 55,543,301,335.86/196,312.60
  6. Step 6: Final answer
    x = 282,932.94

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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.