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Finding the Fourth Proportional to 490,452.32, 735,693.04 and 135,492.48

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Solution

The fourth proportional to 490,452.32, 735,693.04 and 135,492.48 is: 203,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,452.32 : 735,693.04 = 135,492.48 : x
  2. Step 2: Convert to fraction form
    490,452.32/735,693.04 = 135,492.48/x
  3. Step 3: Cross multiply
    490,452.32x = 735,693.04 × 135,492.48
  4. Step 4: Simplify right side
    490,452.32x = 99,680,874,508.34
  5. Step 5: Solve for x
    x = 99,680,874,508.34/490,452.32
  6. Step 6: Final answer
    x = 203,242.74

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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.