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Finding the Fourth Proportional to 701,456.47, 967,927.66 and 395,514.63

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Solution

The fourth proportional to 701,456.47, 967,927.66 and 395,514.63 is: 545,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,456.47 : 967,927.66 = 395,514.63 : x
  2. Step 2: Convert to fraction form
    701,456.47/967,927.66 = 395,514.63/x
  3. Step 3: Cross multiply
    701,456.47x = 967,927.66 × 395,514.63
  4. Step 4: Simplify right side
    701,456.47x = 382,829,550,311.67
  5. Step 5: Solve for x
    x = 382,829,550,311.67/701,456.47
  6. Step 6: Final answer
    x = 545,763.80

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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.