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Finding the Fourth Proportional to 351,386.43, 484,913.48 and 190,241.52

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Solution

The fourth proportional to 351,386.43, 484,913.48 and 190,241.52 is: 262,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,386.43 : 484,913.48 = 190,241.52 : x
  2. Step 2: Convert to fraction form
    351,386.43/484,913.48 = 190,241.52/x
  3. Step 3: Cross multiply
    351,386.43x = 484,913.48 × 190,241.52
  4. Step 4: Simplify right side
    351,386.43x = 92,250,676,552.48
  5. Step 5: Solve for x
    x = 92,250,676,552.48/351,386.43
  6. Step 6: Final answer
    x = 262,533.41

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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.