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Finding the Fourth Proportional to 366,609.86, 549,915.06 and 100,372.58

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Solution

The fourth proportional to 366,609.86, 549,915.06 and 100,372.58 is: 150,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,609.86 : 549,915.06 = 100,372.58 : x
  2. Step 2: Convert to fraction form
    366,609.86/549,915.06 = 100,372.58/x
  3. Step 3: Cross multiply
    366,609.86x = 549,915.06 × 100,372.58
  4. Step 4: Simplify right side
    366,609.86x = 55,196,393,353.05
  5. Step 5: Solve for x
    x = 55,196,393,353.05/366,609.86
  6. Step 6: Final answer
    x = 150,558.94

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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.