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Finding the Fourth Proportional to 450,710.33, 675,068.99 and 308,217.96

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Solution

The fourth proportional to 450,710.33, 675,068.99 and 308,217.96 is: 461,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,710.33 : 675,068.99 = 308,217.96 : x
  2. Step 2: Convert to fraction form
    450,710.33/675,068.99 = 308,217.96/x
  3. Step 3: Cross multiply
    450,710.33x = 675,068.99 × 308,217.96
  4. Step 4: Simplify right side
    450,710.33x = 208,068,385,415.97
  5. Step 5: Solve for x
    x = 208,068,385,415.97/450,710.33
  6. Step 6: Final answer
    x = 461,645.48

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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.