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Finding the Fourth Proportional to 589,556.20, 813,356.60 and 362,808.04

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Solution

The fourth proportional to 589,556.20, 813,356.60 and 362,808.04 is: 500,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,556.20 : 813,356.60 = 362,808.04 : x
  2. Step 2: Convert to fraction form
    589,556.20/813,356.60 = 362,808.04/x
  3. Step 3: Cross multiply
    589,556.20x = 813,356.60 × 362,808.04
  4. Step 4: Simplify right side
    589,556.20x = 295,092,313,867.06
  5. Step 5: Solve for x
    x = 295,092,313,867.06/589,556.20
  6. Step 6: Final answer
    x = 500,532.97

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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.