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Finding the Fourth Proportional to 496,477.44, 685,118.40 and 270,123.84

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Solution

The fourth proportional to 496,477.44, 685,118.40 and 270,123.84 is: 372,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,477.44 : 685,118.40 = 270,123.84 : x
  2. Step 2: Convert to fraction form
    496,477.44/685,118.40 = 270,123.84/x
  3. Step 3: Cross multiply
    496,477.44x = 685,118.40 × 270,123.84
  4. Step 4: Simplify right side
    496,477.44x = 185,066,813,062.66
  5. Step 5: Solve for x
    x = 185,066,813,062.66/496,477.44
  6. Step 6: Final answer
    x = 372,759.76

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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.