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Finding the Fourth Proportional to 914.16, 1,262.16 and 583.14

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Solution

The fourth proportional to 914.16, 1,262.16 and 583.14 is: 805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    914.16 : 1,262.16 = 583.14 : x
  2. Step 2: Convert to fraction form
    914.16/1,262.16 = 583.14/x
  3. Step 3: Cross multiply
    914.16x = 1,262.16 × 583.14
  4. Step 4: Simplify right side
    914.16x = 736,015.98
  5. Step 5: Solve for x
    x = 736,015.98/914.16
  6. Step 6: Final answer
    x = 805.13

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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.