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Finding the Fourth Proportional to 705.92, 973.84 and 444.08

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Solution

The fourth proportional to 705.92, 973.84 and 444.08 is: 612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.92 : 973.84 = 444.08 : x
  2. Step 2: Convert to fraction form
    705.92/973.84 = 444.08/x
  3. Step 3: Cross multiply
    705.92x = 973.84 × 444.08
  4. Step 4: Simplify right side
    705.92x = 432,462.87
  5. Step 5: Solve for x
    x = 432,462.87/705.92
  6. Step 6: Final answer
    x = 612.62

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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.