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Finding the Fourth Proportional to 632,912.77, 873,246.90 and 360,881.47

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Solution

The fourth proportional to 632,912.77, 873,246.90 and 360,881.47 is: 497,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,912.77 : 873,246.90 = 360,881.47 : x
  2. Step 2: Convert to fraction form
    632,912.77/873,246.90 = 360,881.47/x
  3. Step 3: Cross multiply
    632,912.77x = 873,246.90 × 360,881.47
  4. Step 4: Simplify right side
    632,912.77x = 315,138,624,944.94
  5. Step 5: Solve for x
    x = 315,138,624,944.94/632,912.77
  6. Step 6: Final answer
    x = 497,917.94

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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.