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Finding the Fourth Proportional to 706,189.73, 974,530.33 and 383,907.94

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Solution

The fourth proportional to 706,189.73, 974,530.33 and 383,907.94 is: 529,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,189.73 : 974,530.33 = 383,907.94 : x
  2. Step 2: Convert to fraction form
    706,189.73/974,530.33 = 383,907.94/x
  3. Step 3: Cross multiply
    706,189.73x = 974,530.33 × 383,907.94
  4. Step 4: Simplify right side
    706,189.73x = 374,129,928,061.73
  5. Step 5: Solve for x
    x = 374,129,928,061.73/706,189.73
  6. Step 6: Final answer
    x = 529,786.71

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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.