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Finding the Fourth Proportional to 469,749.75, 704,622.72 and 170,160.21

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Solution

The fourth proportional to 469,749.75, 704,622.72 and 170,160.21 is: 255,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,749.75 : 704,622.72 = 170,160.21 : x
  2. Step 2: Convert to fraction form
    469,749.75/704,622.72 = 170,160.21/x
  3. Step 3: Cross multiply
    469,749.75x = 704,622.72 × 170,160.21
  4. Step 4: Simplify right side
    469,749.75x = 119,898,750,005.97
  5. Step 5: Solve for x
    x = 119,898,750,005.97/469,749.75
  6. Step 6: Final answer
    x = 255,239.62

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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.