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Finding the Fourth Proportional to 873,456.60, 1,310,876.10 and 341,232.60

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Solution

The fourth proportional to 873,456.60, 1,310,876.10 and 341,232.60 is: 512,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,456.60 : 1,310,876.10 = 341,232.60 : x
  2. Step 2: Convert to fraction form
    873,456.60/1,310,876.10 = 341,232.60/x
  3. Step 3: Cross multiply
    873,456.60x = 1,310,876.10 × 341,232.60
  4. Step 4: Simplify right side
    873,456.60x = 447,313,659,880.86
  5. Step 5: Solve for x
    x = 447,313,659,880.86/873,456.60
  6. Step 6: Final answer
    x = 512,118.93

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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.