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Finding the Fourth Proportional to 366,469.32, 549,773.03 and 138,833.12

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Solution

The fourth proportional to 366,469.32, 549,773.03 and 138,833.12 is: 208,275.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,469.32 : 549,773.03 = 138,833.12 : x
  2. Step 2: Convert to fraction form
    366,469.32/549,773.03 = 138,833.12/x
  3. Step 3: Cross multiply
    366,469.32x = 549,773.03 × 138,833.12
  4. Step 4: Simplify right side
    366,469.32x = 76,326,706,768.27
  5. Step 5: Solve for x
    x = 76,326,706,768.27/366,469.32
  6. Step 6: Final answer
    x = 208,275.84

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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.