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Finding the Fourth Proportional to 538,452.60, 807,671.70 and 164,477.40

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Solution

The fourth proportional to 538,452.60, 807,671.70 and 164,477.40 is: 246,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,452.60 : 807,671.70 = 164,477.40 : x
  2. Step 2: Convert to fraction form
    538,452.60/807,671.70 = 164,477.40/x
  3. Step 3: Cross multiply
    538,452.60x = 807,671.70 × 164,477.40
  4. Step 4: Simplify right side
    538,452.60x = 132,843,741,269.58
  5. Step 5: Solve for x
    x = 132,843,741,269.58/538,452.60
  6. Step 6: Final answer
    x = 246,713.90

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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.