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Finding the Fourth Proportional to 395,670.37, 546,051.90 and 223,528.63

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Solution

The fourth proportional to 395,670.37, 546,051.90 and 223,528.63 is: 308,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,670.37 : 546,051.90 = 223,528.63 : x
  2. Step 2: Convert to fraction form
    395,670.37/546,051.90 = 223,528.63/x
  3. Step 3: Cross multiply
    395,670.37x = 546,051.90 × 223,528.63
  4. Step 4: Simplify right side
    395,670.37x = 122,058,233,115.90
  5. Step 5: Solve for x
    x = 122,058,233,115.90/395,670.37
  6. Step 6: Final answer
    x = 308,484.64

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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.