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Finding the Fourth Proportional to 607,533.76, 911,629.68 and 252,792.64

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Solution

The fourth proportional to 607,533.76, 911,629.68 and 252,792.64 is: 379,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,533.76 : 911,629.68 = 252,792.64 : x
  2. Step 2: Convert to fraction form
    607,533.76/911,629.68 = 252,792.64/x
  3. Step 3: Cross multiply
    607,533.76x = 911,629.68 × 252,792.64
  4. Step 4: Simplify right side
    607,533.76x = 230,453,273,509.56
  5. Step 5: Solve for x
    x = 230,453,273,509.56/607,533.76
  6. Step 6: Final answer
    x = 379,325.87

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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.