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Finding the Fourth Proportional to 483,519.63, 725,392.89 and 475,486.50

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Solution

The fourth proportional to 483,519.63, 725,392.89 and 475,486.50 is: 713,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,519.63 : 725,392.89 = 475,486.50 : x
  2. Step 2: Convert to fraction form
    483,519.63/725,392.89 = 475,486.50/x
  3. Step 3: Cross multiply
    483,519.63x = 725,392.89 × 475,486.50
  4. Step 4: Simplify right side
    483,519.63x = 344,914,526,390.99
  5. Step 5: Solve for x
    x = 344,914,526,390.99/483,519.63
  6. Step 6: Final answer
    x = 713,341.31

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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.