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Finding the Fourth Proportional to 909,762.45, 1,364,625 and 404,186.37

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Solution

The fourth proportional to 909,762.45, 1,364,625 and 404,186.37 is: 606,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,762.45 : 1,364,625 = 404,186.37 : x
  2. Step 2: Convert to fraction form
    909,762.45/1,364,625 = 404,186.37/x
  3. Step 3: Cross multiply
    909,762.45x = 1,364,625 × 404,186.37
  4. Step 4: Simplify right side
    909,762.45x = 551,562,825,161.25
  5. Step 5: Solve for x
    x = 551,562,825,161.25/909,762.45
  6. Step 6: Final answer
    x = 606,271.26

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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.