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Finding the Fourth Proportional to 632,757.16, 949,035.66 and 212,036.68

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Solution

The fourth proportional to 632,757.16, 949,035.66 and 212,036.68 is: 318,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,757.16 : 949,035.66 = 212,036.68 : x
  2. Step 2: Convert to fraction form
    632,757.16/949,035.66 = 212,036.68/x
  3. Step 3: Cross multiply
    632,757.16x = 949,035.66 × 212,036.68
  4. Step 4: Simplify right side
    632,757.16x = 201,230,370,548.01
  5. Step 5: Solve for x
    x = 201,230,370,548.01/632,757.16
  6. Step 6: Final answer
    x = 318,021.48

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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.