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Finding the Fourth Proportional to 352,651.98, 525,261.99 and 345,270.86

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Solution

The fourth proportional to 352,651.98, 525,261.99 and 345,270.86 is: 514,268.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,651.98 : 525,261.99 = 345,270.86 : x
  2. Step 2: Convert to fraction form
    352,651.98/525,261.99 = 345,270.86/x
  3. Step 3: Cross multiply
    352,651.98x = 525,261.99 × 345,270.86
  4. Step 4: Simplify right side
    352,651.98x = 181,357,659,650.80
  5. Step 5: Solve for x
    x = 181,357,659,650.80/352,651.98
  6. Step 6: Final answer
    x = 514,268.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.