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Finding the Fourth Proportional to 363,264.40, 544,940.32 and 120,113.72

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Solution

The fourth proportional to 363,264.40, 544,940.32 and 120,113.72 is: 180,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,264.40 : 544,940.32 = 120,113.72 : x
  2. Step 2: Convert to fraction form
    363,264.40/544,940.32 = 120,113.72/x
  3. Step 3: Cross multiply
    363,264.40x = 544,940.32 × 120,113.72
  4. Step 4: Simplify right side
    363,264.40x = 65,454,809,013.19
  5. Step 5: Solve for x
    x = 65,454,809,013.19/363,264.40
  6. Step 6: Final answer
    x = 180,185.04

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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.