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Finding the Fourth Proportional to 582.01, 802.71 and 361.03

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Solution

The fourth proportional to 582.01, 802.71 and 361.03 is: 497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.01 : 802.71 = 361.03 : x
  2. Step 2: Convert to fraction form
    582.01/802.71 = 361.03/x
  3. Step 3: Cross multiply
    582.01x = 802.71 × 361.03
  4. Step 4: Simplify right side
    582.01x = 289,802.39
  5. Step 5: Solve for x
    x = 289,802.39/582.01
  6. Step 6: Final answer
    x = 497.93

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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.