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Finding the Fourth Proportional to 366,682.61, 549,911.31 and 253,557.27

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Solution

The fourth proportional to 366,682.61, 549,911.31 and 253,557.27 is: 380,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,682.61 : 549,911.31 = 253,557.27 : x
  2. Step 2: Convert to fraction form
    366,682.61/549,911.31 = 253,557.27/x
  3. Step 3: Cross multiply
    366,682.61x = 549,911.31 × 253,557.27
  4. Step 4: Simplify right side
    366,682.61x = 139,434,010,505.72
  5. Step 5: Solve for x
    x = 139,434,010,505.72/366,682.61
  6. Step 6: Final answer
    x = 380,258.04

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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.