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Finding the Fourth Proportional to 367,078.20, 550,500.66 and 249,505.08

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Solution

The fourth proportional to 367,078.20, 550,500.66 and 249,505.08 is: 374,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,078.20 : 550,500.66 = 249,505.08 : x
  2. Step 2: Convert to fraction form
    367,078.20/550,500.66 = 249,505.08/x
  3. Step 3: Cross multiply
    367,078.20x = 550,500.66 × 249,505.08
  4. Step 4: Simplify right side
    367,078.20x = 137,352,711,213.35
  5. Step 5: Solve for x
    x = 137,352,711,213.35/367,078.20
  6. Step 6: Final answer
    x = 374,178.34

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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.