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Finding the Fourth Proportional to 297,360, 445,804.16 and 107,790.72

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Solution

The fourth proportional to 297,360, 445,804.16 and 107,790.72 is: 161,600.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,360 : 445,804.16 = 107,790.72 : x
  2. Step 2: Convert to fraction form
    297,360/445,804.16 = 107,790.72/x
  3. Step 3: Cross multiply
    297,360x = 445,804.16 × 107,790.72
  4. Step 4: Simplify right side
    297,360x = 48,053,551,385.40
  5. Step 5: Solve for x
    x = 48,053,551,385.40/297,360
  6. Step 6: Final answer
    x = 161,600.59

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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.