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Finding the Fourth Proportional to 468,704.53, 646,812.06 and 253,844.60

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Solution

The fourth proportional to 468,704.53, 646,812.06 and 253,844.60 is: 350,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,704.53 : 646,812.06 = 253,844.60 : x
  2. Step 2: Convert to fraction form
    468,704.53/646,812.06 = 253,844.60/x
  3. Step 3: Cross multiply
    468,704.53x = 646,812.06 × 253,844.60
  4. Step 4: Simplify right side
    468,704.53x = 164,189,749,310.99
  5. Step 5: Solve for x
    x = 164,189,749,310.99/468,704.53
  6. Step 6: Final answer
    x = 350,305.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.