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Finding the Fourth Proportional to 484,496.47, 668,598.59 and 269,636.47

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Solution

The fourth proportional to 484,496.47, 668,598.59 and 269,636.47 is: 372,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,496.47 : 668,598.59 = 269,636.47 : x
  2. Step 2: Convert to fraction form
    484,496.47/668,598.59 = 269,636.47/x
  3. Step 3: Cross multiply
    484,496.47x = 668,598.59 × 269,636.47
  4. Step 4: Simplify right side
    484,496.47x = 180,278,558,963.40
  5. Step 5: Solve for x
    x = 180,278,558,963.40/484,496.47
  6. Step 6: Final answer
    x = 372,094.68

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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.