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Finding the Fourth Proportional to 539,102.20, 808,653.30 and 528,604.60

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Solution

The fourth proportional to 539,102.20, 808,653.30 and 528,604.60 is: 792,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,102.20 : 808,653.30 = 528,604.60 : x
  2. Step 2: Convert to fraction form
    539,102.20/808,653.30 = 528,604.60/x
  3. Step 3: Cross multiply
    539,102.20x = 808,653.30 × 528,604.60
  4. Step 4: Simplify right side
    539,102.20x = 427,457,854,185.18
  5. Step 5: Solve for x
    x = 427,457,854,185.18/539,102.20
  6. Step 6: Final answer
    x = 792,906.90

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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.