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Finding the Fourth Proportional to 590,637.20, 886,087.01 and 216,660.20

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Solution

The fourth proportional to 590,637.20, 886,087.01 and 216,660.20 is: 325,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,637.20 : 886,087.01 = 216,660.20 : x
  2. Step 2: Convert to fraction form
    590,637.20/886,087.01 = 216,660.20/x
  3. Step 3: Cross multiply
    590,637.20x = 886,087.01 × 216,660.20
  4. Step 4: Simplify right side
    590,637.20x = 191,979,783,290.27
  5. Step 5: Solve for x
    x = 191,979,783,290.27/590,637.20
  6. Step 6: Final answer
    x = 325,038.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.