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Finding the Fourth Proportional to 704,858.27, 972,705.38 and 382,568.40

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Solution

The fourth proportional to 704,858.27, 972,705.38 and 382,568.40 is: 527,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,858.27 : 972,705.38 = 382,568.40 : x
  2. Step 2: Convert to fraction form
    704,858.27/972,705.38 = 382,568.40/x
  3. Step 3: Cross multiply
    704,858.27x = 972,705.38 × 382,568.40
  4. Step 4: Simplify right side
    704,858.27x = 372,126,340,161.27
  5. Step 5: Solve for x
    x = 372,126,340,161.27/704,858.27
  6. Step 6: Final answer
    x = 527,944.91

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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.