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Finding the Fourth Proportional to 701,692.70, 968,334.59 and 395,768.12

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Solution

The fourth proportional to 701,692.70, 968,334.59 and 395,768.12 is: 546,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,692.70 : 968,334.59 = 395,768.12 : x
  2. Step 2: Convert to fraction form
    701,692.70/968,334.59 = 395,768.12/x
  3. Step 3: Cross multiply
    701,692.70x = 968,334.59 × 395,768.12
  4. Step 4: Simplify right side
    701,692.70x = 383,235,956,363.02
  5. Step 5: Solve for x
    x = 383,235,956,363.02/701,692.70
  6. Step 6: Final answer
    x = 546,159.25

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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.