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Finding the Fourth Proportional to 286,812.82, 395,909.94 and 246,364.66

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Solution

The fourth proportional to 286,812.82, 395,909.94 and 246,364.66 is: 340,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,812.82 : 395,909.94 = 246,364.66 : x
  2. Step 2: Convert to fraction form
    286,812.82/395,909.94 = 246,364.66/x
  3. Step 3: Cross multiply
    286,812.82x = 395,909.94 × 246,364.66
  4. Step 4: Simplify right side
    286,812.82x = 97,538,217,758.72
  5. Step 5: Solve for x
    x = 97,538,217,758.72/286,812.82
  6. Step 6: Final answer
    x = 340,076.21

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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.