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Finding the Fourth Proportional to 469,248, 647,558.39 and 254,382.54

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Solution

The fourth proportional to 469,248, 647,558.39 and 254,382.54 is: 351,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,248 : 647,558.39 = 254,382.54 : x
  2. Step 2: Convert to fraction form
    469,248/647,558.39 = 254,382.54/x
  3. Step 3: Cross multiply
    469,248x = 647,558.39 × 254,382.54
  4. Step 4: Simplify right side
    469,248x = 164,727,546,774.60
  5. Step 5: Solve for x
    x = 164,727,546,774.60/469,248
  6. Step 6: Final answer
    x = 351,045.82

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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.