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Finding the Fourth Proportional to 488,780.10, 732,842.10 and 236,181.60

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Solution

The fourth proportional to 488,780.10, 732,842.10 and 236,181.60 is: 354,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,780.10 : 732,842.10 = 236,181.60 : x
  2. Step 2: Convert to fraction form
    488,780.10/732,842.10 = 236,181.60/x
  3. Step 3: Cross multiply
    488,780.10x = 732,842.10 × 236,181.60
  4. Step 4: Simplify right side
    488,780.10x = 173,083,819,725.36
  5. Step 5: Solve for x
    x = 173,083,819,725.36/488,780.10
  6. Step 6: Final answer
    x = 354,113.88

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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.