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Finding the Fourth Proportional to 293,470.40, 440,205.60 and 273,641.60

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Solution

The fourth proportional to 293,470.40, 440,205.60 and 273,641.60 is: 410,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,470.40 : 440,205.60 = 273,641.60 : x
  2. Step 2: Convert to fraction form
    293,470.40/440,205.60 = 273,641.60/x
  3. Step 3: Cross multiply
    293,470.40x = 440,205.60 × 273,641.60
  4. Step 4: Simplify right side
    293,470.40x = 120,458,564,712.96
  5. Step 5: Solve for x
    x = 120,458,564,712.96/293,470.40
  6. Step 6: Final answer
    x = 410,462.40

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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.