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Finding the Fourth Proportional to 922,793.15, 1,383,205.58 and 353,954.45

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Solution

The fourth proportional to 922,793.15, 1,383,205.58 and 353,954.45 is: 530,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,793.15 : 1,383,205.58 = 353,954.45 : x
  2. Step 2: Convert to fraction form
    922,793.15/1,383,205.58 = 353,954.45/x
  3. Step 3: Cross multiply
    922,793.15x = 1,383,205.58 × 353,954.45
  4. Step 4: Simplify right side
    922,793.15x = 489,591,768,536.06
  5. Step 5: Solve for x
    x = 489,591,768,536.06/922,793.15
  6. Step 6: Final answer
    x = 530,554.19

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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.