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Finding the Fourth Proportional to 483,518.63, 725,391.39 and 475,485.50

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Solution

The fourth proportional to 483,518.63, 725,391.39 and 475,485.50 is: 713,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,518.63 : 725,391.39 = 475,485.50 : x
  2. Step 2: Convert to fraction form
    483,518.63/725,391.39 = 475,485.50/x
  3. Step 3: Cross multiply
    483,518.63x = 725,391.39 × 475,485.50
  4. Step 4: Simplify right side
    483,518.63x = 344,913,084,142.89
  5. Step 5: Solve for x
    x = 344,913,084,142.89/483,518.63
  6. Step 6: Final answer
    x = 713,339.81

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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.