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Finding the Fourth Proportional to 707.08, 973.62 and 582.28

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Solution

The fourth proportional to 707.08, 973.62 and 582.28 is: 801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.08 : 973.62 = 582.28 : x
  2. Step 2: Convert to fraction form
    707.08/973.62 = 582.28/x
  3. Step 3: Cross multiply
    707.08x = 973.62 × 582.28
  4. Step 4: Simplify right side
    707.08x = 566,919.45
  5. Step 5: Solve for x
    x = 566,919.45/707.08
  6. Step 6: Final answer
    x = 801.78

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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.