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Finding the Fourth Proportional to 704,826.44, 972,661.43 and 382,536.54

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Solution

The fourth proportional to 704,826.44, 972,661.43 and 382,536.54 is: 527,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,826.44 : 972,661.43 = 382,536.54 : x
  2. Step 2: Convert to fraction form
    704,826.44/972,661.43 = 382,536.54/x
  3. Step 3: Cross multiply
    704,826.44x = 972,661.43 × 382,536.54
  4. Step 4: Simplify right side
    704,826.44x = 372,078,538,979.99
  5. Step 5: Solve for x
    x = 372,078,538,979.99/704,826.44
  6. Step 6: Final answer
    x = 527,900.94

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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.