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Finding the Fourth Proportional to 591,322.96, 886,971.88 and 191,963.16

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Solution

The fourth proportional to 591,322.96, 886,971.88 and 191,963.16 is: 287,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,322.96 : 886,971.88 = 191,963.16 : x
  2. Step 2: Convert to fraction form
    591,322.96/886,971.88 = 191,963.16/x
  3. Step 3: Cross multiply
    591,322.96x = 886,971.88 × 191,963.16
  4. Step 4: Simplify right side
    591,322.96x = 170,265,924,915.94
  5. Step 5: Solve for x
    x = 170,265,924,915.94/591,322.96
  6. Step 6: Final answer
    x = 287,940.66

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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.