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Finding the Fourth Proportional to 607,546.40, 911,319.60 and 186,767.60

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Solution

The fourth proportional to 607,546.40, 911,319.60 and 186,767.60 is: 280,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,546.40 : 911,319.60 = 186,767.60 : x
  2. Step 2: Convert to fraction form
    607,546.40/911,319.60 = 186,767.60/x
  3. Step 3: Cross multiply
    607,546.40x = 911,319.60 × 186,767.60
  4. Step 4: Simplify right side
    607,546.40x = 170,204,974,524.96
  5. Step 5: Solve for x
    x = 170,204,974,524.96/607,546.40
  6. Step 6: Final answer
    x = 280,151.40

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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.