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Finding the Fourth Proportional to 654,538.96, 980,233.80 and 373,203.28

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Solution

The fourth proportional to 654,538.96, 980,233.80 and 373,203.28 is: 558,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,538.96 : 980,233.80 = 373,203.28 : x
  2. Step 2: Convert to fraction form
    654,538.96/980,233.80 = 373,203.28/x
  3. Step 3: Cross multiply
    654,538.96x = 980,233.80 × 373,203.28
  4. Step 4: Simplify right side
    654,538.96x = 365,826,469,326.86
  5. Step 5: Solve for x
    x = 365,826,469,326.86/654,538.96
  6. Step 6: Final answer
    x = 558,907.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.