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Finding the Fourth Proportional to 484,101.50, 668,083.71 and 269,236.95

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Solution

The fourth proportional to 484,101.50, 668,083.71 and 269,236.95 is: 371,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,101.50 : 668,083.71 = 269,236.95 : x
  2. Step 2: Convert to fraction form
    484,101.50/668,083.71 = 269,236.95/x
  3. Step 3: Cross multiply
    484,101.50x = 668,083.71 × 269,236.95
  4. Step 4: Simplify right side
    484,101.50x = 179,872,818,929.41
  5. Step 5: Solve for x
    x = 179,872,818,929.41/484,101.50
  6. Step 6: Final answer
    x = 371,560.14

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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.