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Finding the Fourth Proportional to 395,666.37, 546,046.38 and 223,524.63

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Solution

The fourth proportional to 395,666.37, 546,046.38 and 223,524.63 is: 308,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,666.37 : 546,046.38 = 223,524.63 : x
  2. Step 2: Convert to fraction form
    395,666.37/546,046.38 = 223,524.63/x
  3. Step 3: Cross multiply
    395,666.37x = 546,046.38 × 223,524.63
  4. Step 4: Simplify right side
    395,666.37x = 122,054,815,052.34
  5. Step 5: Solve for x
    x = 122,054,815,052.34/395,666.37
  6. Step 6: Final answer
    x = 308,479.12

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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.