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Finding the Fourth Proportional to 344,907.25, 475,962.25 and 191,943

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Solution

The fourth proportional to 344,907.25, 475,962.25 and 191,943 is: 264,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,907.25 : 475,962.25 = 191,943 : x
  2. Step 2: Convert to fraction form
    344,907.25/475,962.25 = 191,943/x
  3. Step 3: Cross multiply
    344,907.25x = 475,962.25 × 191,943
  4. Step 4: Simplify right side
    344,907.25x = 91,357,622,151.75
  5. Step 5: Solve for x
    x = 91,357,622,151.75/344,907.25
  6. Step 6: Final answer
    x = 264,875.91

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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.