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Finding the Fourth Proportional to 375,481.15, 563,221.71 and 249,367.72

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Solution

The fourth proportional to 375,481.15, 563,221.71 and 249,367.72 is: 374,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,481.15 : 563,221.71 = 249,367.72 : x
  2. Step 2: Convert to fraction form
    375,481.15/563,221.71 = 249,367.72/x
  3. Step 3: Cross multiply
    375,481.15x = 563,221.71 × 249,367.72
  4. Step 4: Simplify right side
    375,481.15x = 140,449,313,325.19
  5. Step 5: Solve for x
    x = 140,449,313,325.19/375,481.15
  6. Step 6: Final answer
    x = 374,051.57

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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.