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Finding the Fourth Proportional to 366,909.90, 550,364.85 and 352,913.10

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Solution

The fourth proportional to 366,909.90, 550,364.85 and 352,913.10 is: 529,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,909.90 : 550,364.85 = 352,913.10 : x
  2. Step 2: Convert to fraction form
    366,909.90/550,364.85 = 352,913.10/x
  3. Step 3: Cross multiply
    366,909.90x = 550,364.85 × 352,913.10
  4. Step 4: Simplify right side
    366,909.90x = 194,230,965,344.54
  5. Step 5: Solve for x
    x = 194,230,965,344.54/366,909.90
  6. Step 6: Final answer
    x = 529,369.65

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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.