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Finding the Fourth Proportional to 355,604.70, 532,094.85 and 324,111.90

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Solution

The fourth proportional to 355,604.70, 532,094.85 and 324,111.90 is: 484,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,604.70 : 532,094.85 = 324,111.90 : x
  2. Step 2: Convert to fraction form
    355,604.70/532,094.85 = 324,111.90/x
  3. Step 3: Cross multiply
    355,604.70x = 532,094.85 × 324,111.90
  4. Step 4: Simplify right side
    355,604.70x = 172,458,272,813.72
  5. Step 5: Solve for x
    x = 172,458,272,813.72/355,604.70
  6. Step 6: Final answer
    x = 484,971.86

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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.