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Finding the Fourth Proportional to 350,886, 484,193.25 and 207,620.94

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Solution

The fourth proportional to 350,886, 484,193.25 and 207,620.94 is: 286,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,886 : 484,193.25 = 207,620.94 : x
  2. Step 2: Convert to fraction form
    350,886/484,193.25 = 207,620.94/x
  3. Step 3: Cross multiply
    350,886x = 484,193.25 × 207,620.94
  4. Step 4: Simplify right side
    350,886x = 100,528,657,706.66
  5. Step 5: Solve for x
    x = 100,528,657,706.66/350,886
  6. Step 6: Final answer
    x = 286,499.48

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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.