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Finding the Fourth Proportional to 587.25, 807.77 and 583.07

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Solution

The fourth proportional to 587.25, 807.77 and 583.07 is: 802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.25 : 807.77 = 583.07 : x
  2. Step 2: Convert to fraction form
    587.25/807.77 = 583.07/x
  3. Step 3: Cross multiply
    587.25x = 807.77 × 583.07
  4. Step 4: Simplify right side
    587.25x = 470,983.87
  5. Step 5: Solve for x
    x = 470,983.87/587.25
  6. Step 6: Final answer
    x = 802.02

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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.