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Finding the Fourth Proportional to 447,098.22, 616,683.24 and 303,609.15

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Solution

The fourth proportional to 447,098.22, 616,683.24 and 303,609.15 is: 418,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,098.22 : 616,683.24 = 303,609.15 : x
  2. Step 2: Convert to fraction form
    447,098.22/616,683.24 = 303,609.15/x
  3. Step 3: Cross multiply
    447,098.22x = 616,683.24 × 303,609.15
  4. Step 4: Simplify right side
    447,098.22x = 187,230,674,315.65
  5. Step 5: Solve for x
    x = 187,230,674,315.65/447,098.22
  6. Step 6: Final answer
    x = 418,768.55

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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.