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Finding the Fourth Proportional to 341,758.80, 468,201.78 and 328,980.60

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Solution

The fourth proportional to 341,758.80, 468,201.78 and 328,980.60 is: 450,695.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,758.80 : 468,201.78 = 328,980.60 : x
  2. Step 2: Convert to fraction form
    341,758.80/468,201.78 = 328,980.60/x
  3. Step 3: Cross multiply
    341,758.80x = 468,201.78 × 328,980.60
  4. Step 4: Simplify right side
    341,758.80x = 154,029,302,505.47
  5. Step 5: Solve for x
    x = 154,029,302,505.47/341,758.80
  6. Step 6: Final answer
    x = 450,695.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.