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Finding the Fourth Proportional to 448,515.51, 672,773.27 and 307,847.67

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Solution

The fourth proportional to 448,515.51, 672,773.27 and 307,847.67 is: 461,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,515.51 : 672,773.27 = 307,847.67 : x
  2. Step 2: Convert to fraction form
    448,515.51/672,773.27 = 307,847.67/x
  3. Step 3: Cross multiply
    448,515.51x = 672,773.27 × 307,847.67
  4. Step 4: Simplify right side
    448,515.51x = 207,111,682,068.54
  5. Step 5: Solve for x
    x = 207,111,682,068.54/448,515.51
  6. Step 6: Final answer
    x = 461,771.51

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.