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Finding the Fourth Proportional to 704,846.36, 972,688.44 and 382,556.46

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Solution

The fourth proportional to 704,846.36, 972,688.44 and 382,556.46 is: 527,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,846.36 : 972,688.44 = 382,556.46 : x
  2. Step 2: Convert to fraction form
    704,846.36/972,688.44 = 382,556.46/x
  3. Step 3: Cross multiply
    704,846.36x = 972,688.44 × 382,556.46
  4. Step 4: Simplify right side
    704,846.36x = 372,108,246,289.32
  5. Step 5: Solve for x
    x = 372,108,246,289.32/704,846.36
  6. Step 6: Final answer
    x = 527,928.17

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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.