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Finding the Fourth Proportional to 427,425.61, 589,796.08 and 246,196.51

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Solution

The fourth proportional to 427,425.61, 589,796.08 and 246,196.51 is: 339,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,425.61 : 589,796.08 = 246,196.51 : x
  2. Step 2: Convert to fraction form
    427,425.61/589,796.08 = 246,196.51/x
  3. Step 3: Cross multiply
    427,425.61x = 589,796.08 × 246,196.51
  4. Step 4: Simplify right side
    427,425.61x = 145,205,739,120.16
  5. Step 5: Solve for x
    x = 145,205,739,120.16/427,425.61
  6. Step 6: Final answer
    x = 339,721.66

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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.