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Finding the Fourth Proportional to 383,545.96, 529,295.88 and 213,790.84

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Solution

The fourth proportional to 383,545.96, 529,295.88 and 213,790.84 is: 295,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,545.96 : 529,295.88 = 213,790.84 : x
  2. Step 2: Convert to fraction form
    383,545.96/529,295.88 = 213,790.84/x
  3. Step 3: Cross multiply
    383,545.96x = 529,295.88 × 213,790.84
  4. Step 4: Simplify right side
    383,545.96x = 113,158,610,793.74
  5. Step 5: Solve for x
    x = 113,158,610,793.74/383,545.96
  6. Step 6: Final answer
    x = 295,032.73

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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.