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Finding the Fourth Proportional to 407,770.02, 562,734.81 and 246,654.54

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Solution

The fourth proportional to 407,770.02, 562,734.81 and 246,654.54 is: 340,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,770.02 : 562,734.81 = 246,654.54 : x
  2. Step 2: Convert to fraction form
    407,770.02/562,734.81 = 246,654.54/x
  3. Step 3: Cross multiply
    407,770.02x = 562,734.81 × 246,654.54
  4. Step 4: Simplify right side
    407,770.02x = 138,801,095,702.54
  5. Step 5: Solve for x
    x = 138,801,095,702.54/407,770.02
  6. Step 6: Final answer
    x = 340,390.63

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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.