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Finding the Fourth Proportional to 356,813.60, 534,475.20 and 167,435.60

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Solution

The fourth proportional to 356,813.60, 534,475.20 and 167,435.60 is: 250,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,813.60 : 534,475.20 = 167,435.60 : x
  2. Step 2: Convert to fraction form
    356,813.60/534,475.20 = 167,435.60/x
  3. Step 3: Cross multiply
    356,813.60x = 534,475.20 × 167,435.60
  4. Step 4: Simplify right side
    356,813.60x = 89,490,175,797.12
  5. Step 5: Solve for x
    x = 89,490,175,797.12/356,813.60
  6. Step 6: Final answer
    x = 250,803.71

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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.