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Finding the Fourth Proportional to 609,110.10, 911,915.55 and 372,914.10

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Solution

The fourth proportional to 609,110.10, 911,915.55 and 372,914.10 is: 558,300.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,110.10 : 911,915.55 = 372,914.10 : x
  2. Step 2: Convert to fraction form
    609,110.10/911,915.55 = 372,914.10/x
  3. Step 3: Cross multiply
    609,110.10x = 911,915.55 × 372,914.10
  4. Step 4: Simplify right side
    609,110.10x = 340,066,166,604.26
  5. Step 5: Solve for x
    x = 340,066,166,604.26/609,110.10
  6. Step 6: Final answer
    x = 558,300.00

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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.