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Finding the Fourth Proportional to 496,818.80, 685,609.76 and 270,464.24

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Solution

The fourth proportional to 496,818.80, 685,609.76 and 270,464.24 is: 373,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,818.80 : 685,609.76 = 270,464.24 : x
  2. Step 2: Convert to fraction form
    496,818.80/685,609.76 = 270,464.24/x
  3. Step 3: Cross multiply
    496,818.80x = 685,609.76 × 270,464.24
  4. Step 4: Simplify right side
    496,818.80x = 185,432,922,674.98
  5. Step 5: Solve for x
    x = 185,432,922,674.98/496,818.80
  6. Step 6: Final answer
    x = 373,240.55

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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.