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Finding the Fourth Proportional to 525,472.62, 788,508.88 and 205,650.60

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Solution

The fourth proportional to 525,472.62, 788,508.88 and 205,650.60 is: 308,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,472.62 : 788,508.88 = 205,650.60 : x
  2. Step 2: Convert to fraction form
    525,472.62/788,508.88 = 205,650.60/x
  3. Step 3: Cross multiply
    525,472.62x = 788,508.88 × 205,650.60
  4. Step 4: Simplify right side
    525,472.62x = 162,157,320,806.29
  5. Step 5: Solve for x
    x = 162,157,320,806.29/525,472.62
  6. Step 6: Final answer
    x = 308,593.28

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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.