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Finding the Fourth Proportional to 484,496.71, 668,598.93 and 269,636.72

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Solution

The fourth proportional to 484,496.71, 668,598.93 and 269,636.72 is: 372,095.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,496.71 : 668,598.93 = 269,636.72 : x
  2. Step 2: Convert to fraction form
    484,496.71/668,598.93 = 269,636.72/x
  3. Step 3: Cross multiply
    484,496.71x = 668,598.93 × 269,636.72
  4. Step 4: Simplify right side
    484,496.71x = 180,278,819,137.72
  5. Step 5: Solve for x
    x = 180,278,819,137.72/484,496.71
  6. Step 6: Final answer
    x = 372,095.03

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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.