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Finding the Fourth Proportional to 704,883.07, 972,712.57 and 382,586.31

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Solution

The fourth proportional to 704,883.07, 972,712.57 and 382,586.31 is: 527,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,883.07 : 972,712.57 = 382,586.31 : x
  2. Step 2: Convert to fraction form
    704,883.07/972,712.57 = 382,586.31/x
  3. Step 3: Cross multiply
    704,883.07x = 972,712.57 × 382,586.31
  4. Step 4: Simplify right side
    704,883.07x = 372,146,512,846.92
  5. Step 5: Solve for x
    x = 372,146,512,846.92/704,883.07
  6. Step 6: Final answer
    x = 527,954.96

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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.