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Finding the Fourth Proportional to 1,168,626, 1,612,704 and 632,082

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Solution

The fourth proportional to 1,168,626, 1,612,704 and 632,082 is: 872,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,626 : 1,612,704 = 632,082 : x
  2. Step 2: Convert to fraction form
    1,168,626/1,612,704 = 632,082/x
  3. Step 3: Cross multiply
    1,168,626x = 1,612,704 × 632,082
  4. Step 4: Simplify right side
    1,168,626x = 1,019,361,169,728
  5. Step 5: Solve for x
    x = 1,019,361,169,728/1,168,626
  6. Step 6: Final answer
    x = 872,273.22

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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.