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Finding the Fourth Proportional to 261,556.38, 358,596.90 and 256,832.46

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Solution

The fourth proportional to 261,556.38, 358,596.90 and 256,832.46 is: 352,120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,556.38 : 358,596.90 = 256,832.46 : x
  2. Step 2: Convert to fraction form
    261,556.38/358,596.90 = 256,832.46/x
  3. Step 3: Cross multiply
    261,556.38x = 358,596.90 × 256,832.46
  4. Step 4: Simplify right side
    261,556.38x = 92,099,323,975.37
  5. Step 5: Solve for x
    x = 92,099,323,975.37/261,556.38
  6. Step 6: Final answer
    x = 352,120.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.