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Finding the Fourth Proportional to 447,066.92, 616,927.42 and 256,092.62

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Solution

The fourth proportional to 447,066.92, 616,927.42 and 256,092.62 is: 353,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,066.92 : 616,927.42 = 256,092.62 : x
  2. Step 2: Convert to fraction form
    447,066.92/616,927.42 = 256,092.62/x
  3. Step 3: Cross multiply
    447,066.92x = 616,927.42 × 256,092.62
  4. Step 4: Simplify right side
    447,066.92x = 157,990,556,573.12
  5. Step 5: Solve for x
    x = 157,990,556,573.12/447,066.92
  6. Step 6: Final answer
    x = 353,393.53

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1.5x scale

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.