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Finding the Fourth Proportional to 344,907.89, 475,969.40 and 191,943.47

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Solution

The fourth proportional to 344,907.89, 475,969.40 and 191,943.47 is: 264,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,907.89 : 475,969.40 = 191,943.47 : x
  2. Step 2: Convert to fraction form
    344,907.89/475,969.40 = 191,943.47/x
  3. Step 3: Cross multiply
    344,907.89x = 475,969.40 × 191,943.47
  4. Step 4: Simplify right side
    344,907.89x = 91,359,219,199.81
  5. Step 5: Solve for x
    x = 91,359,219,199.81/344,907.89
  6. Step 6: Final answer
    x = 264,880.05

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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.