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Finding the Fourth Proportional to 536,471.60, 804,815.40 and 157,391.60

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Solution

The fourth proportional to 536,471.60, 804,815.40 and 157,391.60 is: 236,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,471.60 : 804,815.40 = 157,391.60 : x
  2. Step 2: Convert to fraction form
    536,471.60/804,815.40 = 157,391.60/x
  3. Step 3: Cross multiply
    536,471.60x = 804,815.40 × 157,391.60
  4. Step 4: Simplify right side
    536,471.60x = 126,671,183,510.64
  5. Step 5: Solve for x
    x = 126,671,183,510.64/536,471.60
  6. Step 6: Final answer
    x = 236,119.09

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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.