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Finding the Fourth Proportional to 484,293.75, 668,325.36 and 269,433.75

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Solution

The fourth proportional to 484,293.75, 668,325.36 and 269,433.75 is: 371,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,293.75 : 668,325.36 = 269,433.75 : x
  2. Step 2: Convert to fraction form
    484,293.75/668,325.36 = 269,433.75/x
  3. Step 3: Cross multiply
    484,293.75x = 668,325.36 × 269,433.75
  4. Step 4: Simplify right side
    484,293.75x = 180,069,411,481.50
  5. Step 5: Solve for x
    x = 180,069,411,481.50/484,293.75
  6. Step 6: Final answer
    x = 371,818.58

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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.