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Finding the Fourth Proportional to 427,335.62, 589,657.59 and 246,012.48

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Solution

The fourth proportional to 427,335.62, 589,657.59 and 246,012.48 is: 339,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,335.62 : 589,657.59 = 246,012.48 : x
  2. Step 2: Convert to fraction form
    427,335.62/589,657.59 = 246,012.48/x
  3. Step 3: Cross multiply
    427,335.62x = 589,657.59 × 246,012.48
  4. Step 4: Simplify right side
    427,335.62x = 145,063,126,066.72
  5. Step 5: Solve for x
    x = 145,063,126,066.72/427,335.62
  6. Step 6: Final answer
    x = 339,459.48

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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.