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Finding the Fourth Proportional to 367,078.96, 550,501.79 and 249,505.84

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Solution

The fourth proportional to 367,078.96, 550,501.79 and 249,505.84 is: 374,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,078.96 : 550,501.79 = 249,505.84 : x
  2. Step 2: Convert to fraction form
    367,078.96/550,501.79 = 249,505.84/x
  3. Step 3: Cross multiply
    367,078.96x = 550,501.79 × 249,505.84
  4. Step 4: Simplify right side
    367,078.96x = 137,353,408,782.95
  5. Step 5: Solve for x
    x = 137,353,408,782.95/367,078.96
  6. Step 6: Final answer
    x = 374,179.47

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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.