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Finding the Fourth Proportional to 496,878.82, 685,692.48 and 270,524.32

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Solution

The fourth proportional to 496,878.82, 685,692.48 and 270,524.32 is: 373,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,878.82 : 685,692.48 = 270,524.32 : x
  2. Step 2: Convert to fraction form
    496,878.82/685,692.48 = 270,524.32/x
  3. Step 3: Cross multiply
    496,878.82x = 685,692.48 × 270,524.32
  4. Step 4: Simplify right side
    496,878.82x = 185,496,491,881.11
  5. Step 5: Solve for x
    x = 185,496,491,881.11/496,878.82
  6. Step 6: Final answer
    x = 373,323.40

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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.