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Finding the Fourth Proportional to 273,391.40, 410,087.10 and 235,337.60

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Solution

The fourth proportional to 273,391.40, 410,087.10 and 235,337.60 is: 353,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,391.40 : 410,087.10 = 235,337.60 : x
  2. Step 2: Convert to fraction form
    273,391.40/410,087.10 = 235,337.60/x
  3. Step 3: Cross multiply
    273,391.40x = 410,087.10 × 235,337.60
  4. Step 4: Simplify right side
    273,391.40x = 96,508,913,904.96
  5. Step 5: Solve for x
    x = 96,508,913,904.96/273,391.40
  6. Step 6: Final answer
    x = 353,006.40

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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.