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Finding the Fourth Proportional to 363,176.60, 544,767.64 and 126,518.90

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Solution

The fourth proportional to 363,176.60, 544,767.64 and 126,518.90 is: 189,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,176.60 : 544,767.64 = 126,518.90 : x
  2. Step 2: Convert to fraction form
    363,176.60/544,767.64 = 126,518.90/x
  3. Step 3: Cross multiply
    363,176.60x = 544,767.64 × 126,518.90
  4. Step 4: Simplify right side
    363,176.60x = 68,923,403,614.02
  5. Step 5: Solve for x
    x = 68,923,403,614.02/363,176.60
  6. Step 6: Final answer
    x = 189,779.31

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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.