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Finding the Fourth Proportional to 1,168,636, 1,612,720.56 and 632,092

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Solution

The fourth proportional to 1,168,636, 1,612,720.56 and 632,092 is: 872,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,636 : 1,612,720.56 = 632,092 : x
  2. Step 2: Convert to fraction form
    1,168,636/1,612,720.56 = 632,092/x
  3. Step 3: Cross multiply
    1,168,636x = 1,612,720.56 × 632,092
  4. Step 4: Simplify right side
    1,168,636x = 1,019,387,764,211.52
  5. Step 5: Solve for x
    x = 1,019,387,764,211.52/1,168,636
  6. Step 6: Final answer
    x = 872,288.52

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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.