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Finding the Fourth Proportional to 582.81, 804.07 and 346.83

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Solution

The fourth proportional to 582.81, 804.07 and 346.83 is: 478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.81 : 804.07 = 346.83 : x
  2. Step 2: Convert to fraction form
    582.81/804.07 = 346.83/x
  3. Step 3: Cross multiply
    582.81x = 804.07 × 346.83
  4. Step 4: Simplify right side
    582.81x = 278,875.60
  5. Step 5: Solve for x
    x = 278,875.60/582.81
  6. Step 6: Final answer
    x = 478.50

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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.