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Finding the Fourth Proportional to 551,173.05, 760,701.92 and 336,437.60

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Solution

The fourth proportional to 551,173.05, 760,701.92 and 336,437.60 is: 464,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,173.05 : 760,701.92 = 336,437.60 : x
  2. Step 2: Convert to fraction form
    551,173.05/760,701.92 = 336,437.60/x
  3. Step 3: Cross multiply
    551,173.05x = 760,701.92 × 336,437.60
  4. Step 4: Simplify right side
    551,173.05x = 255,928,722,794.49
  5. Step 5: Solve for x
    x = 255,928,722,794.49/551,173.05
  6. Step 6: Final answer
    x = 464,334.61

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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.