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Finding the Fourth Proportional to 366,977.40, 550,466.10 and 352,980.60

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Solution

The fourth proportional to 366,977.40, 550,466.10 and 352,980.60 is: 529,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,977.40 : 550,466.10 = 352,980.60 : x
  2. Step 2: Convert to fraction form
    366,977.40/550,466.10 = 352,980.60/x
  3. Step 3: Cross multiply
    366,977.40x = 550,466.10 × 352,980.60
  4. Step 4: Simplify right side
    366,977.40x = 194,303,854,257.66
  5. Step 5: Solve for x
    x = 194,303,854,257.66/366,977.40
  6. Step 6: Final answer
    x = 529,470.90

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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.