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Finding the Fourth Proportional to 484,544.53, 668,659.62 and 266,751.43

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Solution

The fourth proportional to 484,544.53, 668,659.62 and 266,751.43 is: 368,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,544.53 : 668,659.62 = 266,751.43 : x
  2. Step 2: Convert to fraction form
    484,544.53/668,659.62 = 266,751.43/x
  3. Step 3: Cross multiply
    484,544.53x = 668,659.62 × 266,751.43
  4. Step 4: Simplify right side
    484,544.53x = 178,365,909,146.93
  5. Step 5: Solve for x
    x = 178,365,909,146.93/484,544.53
  6. Step 6: Final answer
    x = 368,110.46

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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.