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Finding the Fourth Proportional to 484,661.07, 668,806.47 and 269,795.61

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Solution

The fourth proportional to 484,661.07, 668,806.47 and 269,795.61 is: 372,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,661.07 : 668,806.47 = 269,795.61 : x
  2. Step 2: Convert to fraction form
    484,661.07/668,806.47 = 269,795.61/x
  3. Step 3: Cross multiply
    484,661.07x = 668,806.47 × 269,795.61
  4. Step 4: Simplify right side
    484,661.07x = 180,441,049,545.60
  5. Step 5: Solve for x
    x = 180,441,049,545.60/484,661.07
  6. Step 6: Final answer
    x = 372,303.58

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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.