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Finding the Fourth Proportional to 468,293.89, 646,245.55 and 253,433.95

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Solution

The fourth proportional to 468,293.89, 646,245.55 and 253,433.95 is: 349,738.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,293.89 : 646,245.55 = 253,433.95 : x
  2. Step 2: Convert to fraction form
    468,293.89/646,245.55 = 253,433.95/x
  3. Step 3: Cross multiply
    468,293.89x = 646,245.55 × 253,433.95
  4. Step 4: Simplify right side
    468,293.89x = 163,780,564,190.34
  5. Step 5: Solve for x
    x = 163,780,564,190.34/468,293.89
  6. Step 6: Final answer
    x = 349,738.84

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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.