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Finding the Fourth Proportional to 356,499.60, 534,004.20 and 167,121.60

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Solution

The fourth proportional to 356,499.60, 534,004.20 and 167,121.60 is: 250,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,499.60 : 534,004.20 = 167,121.60 : x
  2. Step 2: Convert to fraction form
    356,499.60/534,004.20 = 167,121.60/x
  3. Step 3: Cross multiply
    356,499.60x = 534,004.20 × 167,121.60
  4. Step 4: Simplify right side
    356,499.60x = 89,243,636,310.72
  5. Step 5: Solve for x
    x = 89,243,636,310.72/356,499.60
  6. Step 6: Final answer
    x = 250,333.06

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1.5x scale

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.