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Finding the Fourth Proportional to 354,878.30, 532,521.66 and 197,093.54

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Solution

The fourth proportional to 354,878.30, 532,521.66 and 197,093.54 is: 295,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,878.30 : 532,521.66 = 197,093.54 : x
  2. Step 2: Convert to fraction form
    354,878.30/532,521.66 = 197,093.54/x
  3. Step 3: Cross multiply
    354,878.30x = 532,521.66 × 197,093.54
  4. Step 4: Simplify right side
    354,878.30x = 104,956,579,096.08
  5. Step 5: Solve for x
    x = 104,956,579,096.08/354,878.30
  6. Step 6: Final answer
    x = 295,753.72

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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.