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Finding the Fourth Proportional to 344,775.26, 475,643.67 and 210,561.50

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Solution

The fourth proportional to 344,775.26, 475,643.67 and 210,561.50 is: 290,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,775.26 : 475,643.67 = 210,561.50 : x
  2. Step 2: Convert to fraction form
    344,775.26/475,643.67 = 210,561.50/x
  3. Step 3: Cross multiply
    344,775.26x = 475,643.67 × 210,561.50
  4. Step 4: Simplify right side
    344,775.26x = 100,152,244,620.71
  5. Step 5: Solve for x
    x = 100,152,244,620.71/344,775.26
  6. Step 6: Final answer
    x = 290,485.59

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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.