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Finding the Fourth Proportional to 484,697.63, 668,869.70 and 269,837.69

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Solution

The fourth proportional to 484,697.63, 668,869.70 and 269,837.69 is: 372,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,697.63 : 668,869.70 = 269,837.69 : x
  2. Step 2: Convert to fraction form
    484,697.63/668,869.70 = 269,837.69/x
  3. Step 3: Cross multiply
    484,697.63x = 668,869.70 × 269,837.69
  4. Step 4: Simplify right side
    484,697.63x = 180,486,256,286.28
  5. Step 5: Solve for x
    x = 180,486,256,286.28/484,697.63
  6. Step 6: Final answer
    x = 372,368.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.