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Finding the Fourth Proportional to 672,069, 927,455.22 and 370,269.48

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Solution

The fourth proportional to 672,069, 927,455.22 and 370,269.48 is: 510,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,069 : 927,455.22 = 370,269.48 : x
  2. Step 2: Convert to fraction form
    672,069/927,455.22 = 370,269.48/x
  3. Step 3: Cross multiply
    672,069x = 927,455.22 × 370,269.48
  4. Step 4: Simplify right side
    672,069x = 343,408,362,032.69
  5. Step 5: Solve for x
    x = 343,408,362,032.69/672,069
  6. Step 6: Final answer
    x = 510,971.88

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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.