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Finding the Fourth Proportional to 873,798.40, 1,310,697.60 and 341,336.80

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Solution

The fourth proportional to 873,798.40, 1,310,697.60 and 341,336.80 is: 512,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,798.40 : 1,310,697.60 = 341,336.80 : x
  2. Step 2: Convert to fraction form
    873,798.40/1,310,697.60 = 341,336.80/x
  3. Step 3: Cross multiply
    873,798.40x = 1,310,697.60 × 341,336.80
  4. Step 4: Simplify right side
    873,798.40x = 447,389,324,551.68
  5. Step 5: Solve for x
    x = 447,389,324,551.68/873,798.40
  6. Step 6: Final answer
    x = 512,005.20

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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.