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Finding the Fourth Proportional to 672,462, 927,997.56 and 370,662.48

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Solution

The fourth proportional to 672,462, 927,997.56 and 370,662.48 is: 511,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,462 : 927,997.56 = 370,662.48 : x
  2. Step 2: Convert to fraction form
    672,462/927,997.56 = 370,662.48/x
  3. Step 3: Cross multiply
    672,462x = 927,997.56 × 370,662.48
  4. Step 4: Simplify right side
    672,462x = 343,973,877,023.55
  5. Step 5: Solve for x
    x = 343,973,877,023.55/672,462
  6. Step 6: Final answer
    x = 511,514.22

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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.