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Finding the Fourth Proportional to 273,411.60, 410,117.40 and 223,645.20

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Solution

The fourth proportional to 273,411.60, 410,117.40 and 223,645.20 is: 335,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,411.60 : 410,117.40 = 223,645.20 : x
  2. Step 2: Convert to fraction form
    273,411.60/410,117.40 = 223,645.20/x
  3. Step 3: Cross multiply
    273,411.60x = 410,117.40 × 223,645.20
  4. Step 4: Simplify right side
    273,411.60x = 91,720,787,946.48
  5. Step 5: Solve for x
    x = 91,720,787,946.48/273,411.60
  6. Step 6: Final answer
    x = 335,467.80

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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.