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Finding the Fourth Proportional to 539,176.56, 808,735.68 and 165,200.64

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Solution

The fourth proportional to 539,176.56, 808,735.68 and 165,200.64 is: 247,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,176.56 : 808,735.68 = 165,200.64 : x
  2. Step 2: Convert to fraction form
    539,176.56/808,735.68 = 165,200.64/x
  3. Step 3: Cross multiply
    539,176.56x = 808,735.68 × 165,200.64
  4. Step 4: Simplify right side
    539,176.56x = 133,603,651,926.84
  5. Step 5: Solve for x
    x = 133,603,651,926.84/539,176.56
  6. Step 6: Final answer
    x = 247,792.03

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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.