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Finding the Fourth Proportional to 361,892.92, 542,666.82 and 162,214.96

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Solution

The fourth proportional to 361,892.92, 542,666.82 and 162,214.96 is: 243,245.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,892.92 : 542,666.82 = 162,214.96 : x
  2. Step 2: Convert to fraction form
    361,892.92/542,666.82 = 162,214.96/x
  3. Step 3: Cross multiply
    361,892.92x = 542,666.82 × 162,214.96
  4. Step 4: Simplify right side
    361,892.92x = 88,028,676,499.63
  5. Step 5: Solve for x
    x = 88,028,676,499.63/361,892.92
  6. Step 6: Final answer
    x = 243,245.09

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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.