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Finding the Fourth Proportional to 395,736.56, 592,185.88 and 342,611.25

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Solution

The fourth proportional to 395,736.56, 592,185.88 and 342,611.25 is: 512,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,736.56 : 592,185.88 = 342,611.25 : x
  2. Step 2: Convert to fraction form
    395,736.56/592,185.88 = 342,611.25/x
  3. Step 3: Cross multiply
    395,736.56x = 592,185.88 × 342,611.25
  4. Step 4: Simplify right side
    395,736.56x = 202,889,544,579.15
  5. Step 5: Solve for x
    x = 202,889,544,579.15/395,736.56
  6. Step 6: Final answer
    x = 512,688.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.