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Finding the Fourth Proportional to 484,598.57, 668,731.14 and 269,733.11

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Solution

The fourth proportional to 484,598.57, 668,731.14 and 269,733.11 is: 372,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,598.57 : 668,731.14 = 269,733.11 : x
  2. Step 2: Convert to fraction form
    484,598.57/668,731.14 = 269,733.11/x
  3. Step 3: Cross multiply
    484,598.57x = 668,731.14 × 269,733.11
  4. Step 4: Simplify right side
    484,598.57x = 180,378,930,146.05
  5. Step 5: Solve for x
    x = 180,378,930,146.05/484,598.57
  6. Step 6: Final answer
    x = 372,223.41

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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.