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Finding the Fourth Proportional to 539,184.56, 808,747.68 and 165,208.64

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Solution

The fourth proportional to 539,184.56, 808,747.68 and 165,208.64 is: 247,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,184.56 : 808,747.68 = 165,208.64 : x
  2. Step 2: Convert to fraction form
    539,184.56/808,747.68 = 165,208.64/x
  3. Step 3: Cross multiply
    539,184.56x = 808,747.68 × 165,208.64
  4. Step 4: Simplify right side
    539,184.56x = 133,612,104,315.96
  5. Step 5: Solve for x
    x = 133,612,104,315.96/539,184.56
  6. Step 6: Final answer
    x = 247,804.03

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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.