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Finding the Fourth Proportional to 496,860.92, 685,668.17 and 270,506.42

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Solution

The fourth proportional to 496,860.92, 685,668.17 and 270,506.42 is: 373,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,860.92 : 685,668.17 = 270,506.42 : x
  2. Step 2: Convert to fraction form
    496,860.92/685,668.17 = 270,506.42/x
  3. Step 3: Cross multiply
    496,860.92x = 685,668.17 × 270,506.42
  4. Step 4: Simplify right side
    496,860.92x = 185,477,641,974.65
  5. Step 5: Solve for x
    x = 185,477,641,974.65/496,860.92
  6. Step 6: Final answer
    x = 373,298.91

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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.