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Finding the Fourth Proportional to 914.65, 1,262.02 and 582.94

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Solution

The fourth proportional to 914.65, 1,262.02 and 582.94 is: 804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    914.65 : 1,262.02 = 582.94 : x
  2. Step 2: Convert to fraction form
    914.65/1,262.02 = 582.94/x
  3. Step 3: Cross multiply
    914.65x = 1,262.02 × 582.94
  4. Step 4: Simplify right side
    914.65x = 735,681.94
  5. Step 5: Solve for x
    x = 735,681.94/914.65
  6. Step 6: Final answer
    x = 804.33

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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.