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Finding the Fourth Proportional to 646,797.69, 892,581.93 and 360,327.96

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Solution

The fourth proportional to 646,797.69, 892,581.93 and 360,327.96 is: 497,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,797.69 : 892,581.93 = 360,327.96 : x
  2. Step 2: Convert to fraction form
    646,797.69/892,581.93 = 360,327.96/x
  3. Step 3: Cross multiply
    646,797.69x = 892,581.93 × 360,327.96
  4. Step 4: Simplify right side
    646,797.69x = 321,622,225,969.76
  5. Step 5: Solve for x
    x = 321,622,225,969.76/646,797.69
  6. Step 6: Final answer
    x = 497,253.21

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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.