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Finding the Fourth Proportional to 358,227.76, 494,354.28 and 197,079.34

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Solution

The fourth proportional to 358,227.76, 494,354.28 and 197,079.34 is: 271,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,227.76 : 494,354.28 = 197,079.34 : x
  2. Step 2: Convert to fraction form
    358,227.76/494,354.28 = 197,079.34/x
  3. Step 3: Cross multiply
    358,227.76x = 494,354.28 × 197,079.34
  4. Step 4: Simplify right side
    358,227.76x = 97,427,015,228.58
  5. Step 5: Solve for x
    x = 97,427,015,228.58/358,227.76
  6. Step 6: Final answer
    x = 271,969.47

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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.