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Finding the Fourth Proportional to 395,736.69, 592,186.07 and 342,611.39

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Solution

The fourth proportional to 395,736.69, 592,186.07 and 342,611.39 is: 512,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,736.69 : 592,186.07 = 342,611.39 : x
  2. Step 2: Convert to fraction form
    395,736.69/592,186.07 = 342,611.39/x
  3. Step 3: Cross multiply
    395,736.69x = 592,186.07 × 342,611.39
  4. Step 4: Simplify right side
    395,736.69x = 202,889,687,907.35
  5. Step 5: Solve for x
    x = 202,889,687,907.35/395,736.69
  6. Step 6: Final answer
    x = 512,688.60

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1.5x scale

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.