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Finding the Fourth Proportional to 298,923.69, 446,404.14 and 262,706.97

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Solution

The fourth proportional to 298,923.69, 446,404.14 and 262,706.97 is: 392,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,923.69 : 446,404.14 = 262,706.97 : x
  2. Step 2: Convert to fraction form
    298,923.69/446,404.14 = 262,706.97/x
  3. Step 3: Cross multiply
    298,923.69x = 446,404.14 × 262,706.97
  4. Step 4: Simplify right side
    298,923.69x = 117,273,479,014.86
  5. Step 5: Solve for x
    x = 117,273,479,014.86/298,923.69
  6. Step 6: Final answer
    x = 392,319.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.