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Finding the Fourth Proportional to 590,783.36, 886,364.58 and 211,446.60

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Solution

The fourth proportional to 590,783.36, 886,364.58 and 211,446.60 is: 317,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,783.36 : 886,364.58 = 211,446.60 : x
  2. Step 2: Convert to fraction form
    590,783.36/886,364.58 = 211,446.60/x
  3. Step 3: Cross multiply
    590,783.36x = 886,364.58 × 211,446.60
  4. Step 4: Simplify right side
    590,783.36x = 187,418,776,801.43
  5. Step 5: Solve for x
    x = 187,418,776,801.43/590,783.36
  6. Step 6: Final answer
    x = 317,237.74

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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.