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Finding the Fourth Proportional to 366,955.90, 550,433.85 and 352,959.10

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Solution

The fourth proportional to 366,955.90, 550,433.85 and 352,959.10 is: 529,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,955.90 : 550,433.85 = 352,959.10 : x
  2. Step 2: Convert to fraction form
    366,955.90/550,433.85 = 352,959.10/x
  3. Step 3: Cross multiply
    366,955.90x = 550,433.85 × 352,959.10
  4. Step 4: Simplify right side
    366,955.90x = 194,280,636,305.54
  5. Step 5: Solve for x
    x = 194,280,636,305.54/366,955.90
  6. Step 6: Final answer
    x = 529,438.65

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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.