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Finding the Fourth Proportional to 616,336.21, 850,527.64 and 344,406.33

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Solution

The fourth proportional to 616,336.21, 850,527.64 and 344,406.33 is: 475,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,336.21 : 850,527.64 = 344,406.33 : x
  2. Step 2: Convert to fraction form
    616,336.21/850,527.64 = 344,406.33/x
  3. Step 3: Cross multiply
    616,336.21x = 850,527.64 × 344,406.33
  4. Step 4: Simplify right side
    616,336.21x = 292,927,102,194.95
  5. Step 5: Solve for x
    x = 292,927,102,194.95/616,336.21
  6. Step 6: Final answer
    x = 475,271.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.