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Finding the Fourth Proportional to 468,254.53, 646,191.26 and 253,394.60

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Solution

The fourth proportional to 468,254.53, 646,191.26 and 253,394.60 is: 349,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,254.53 : 646,191.26 = 253,394.60 : x
  2. Step 2: Convert to fraction form
    468,254.53/646,191.26 = 253,394.60/x
  3. Step 3: Cross multiply
    468,254.53x = 646,191.26 × 253,394.60
  4. Step 4: Simplify right side
    468,254.53x = 163,741,373,520.71
  5. Step 5: Solve for x
    x = 163,741,373,520.71/468,254.53
  6. Step 6: Final answer
    x = 349,684.55

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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.