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Finding the Fourth Proportional to 589,065.57, 812,944.62 and 443,610.90

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Solution

The fourth proportional to 589,065.57, 812,944.62 and 443,610.90 is: 612,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,065.57 : 812,944.62 = 443,610.90 : x
  2. Step 2: Convert to fraction form
    589,065.57/812,944.62 = 443,610.90/x
  3. Step 3: Cross multiply
    589,065.57x = 812,944.62 × 443,610.90
  4. Step 4: Simplify right side
    589,065.57x = 360,631,094,528.36
  5. Step 5: Solve for x
    x = 360,631,094,528.36/589,065.57
  6. Step 6: Final answer
    x = 612,208.75

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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.