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Finding the Fourth Proportional to 471,081.08, 704,988.66 and 451,485.56

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Solution

The fourth proportional to 471,081.08, 704,988.66 and 451,485.56 is: 675,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,081.08 : 704,988.66 = 451,485.56 : x
  2. Step 2: Convert to fraction form
    471,081.08/704,988.66 = 451,485.56/x
  3. Step 3: Cross multiply
    471,081.08x = 704,988.66 × 451,485.56
  4. Step 4: Simplify right side
    471,081.08x = 318,292,199,953.75
  5. Step 5: Solve for x
    x = 318,292,199,953.75/471,081.08
  6. Step 6: Final answer
    x = 675,663.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.