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Finding the Fourth Proportional to 295,804.92, 443,707.38 and 270,144.12

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Solution

The fourth proportional to 295,804.92, 443,707.38 and 270,144.12 is: 405,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,804.92 : 443,707.38 = 270,144.12 : x
  2. Step 2: Convert to fraction form
    295,804.92/443,707.38 = 270,144.12/x
  3. Step 3: Cross multiply
    295,804.92x = 443,707.38 × 270,144.12
  4. Step 4: Simplify right side
    295,804.92x = 119,864,939,707.61
  5. Step 5: Solve for x
    x = 119,864,939,707.61/295,804.92
  6. Step 6: Final answer
    x = 405,216.18

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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.