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Finding the Fourth Proportional to 538,441.35, 807,662.03 and 528,073.35

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Solution

The fourth proportional to 538,441.35, 807,662.03 and 528,073.35 is: 792,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,441.35 : 807,662.03 = 528,073.35 : x
  2. Step 2: Convert to fraction form
    538,441.35/807,662.03 = 528,073.35/x
  3. Step 3: Cross multiply
    538,441.35x = 807,662.03 × 528,073.35
  4. Step 4: Simplify right side
    538,441.35x = 426,504,793,849.90
  5. Step 5: Solve for x
    x = 426,504,793,849.90/538,441.35
  6. Step 6: Final answer
    x = 792,110.03

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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.