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Finding the Fourth Proportional to 341,966.40, 512,949.60 and 325,636.80

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Solution

The fourth proportional to 341,966.40, 512,949.60 and 325,636.80 is: 488,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,966.40 : 512,949.60 = 325,636.80 : x
  2. Step 2: Convert to fraction form
    341,966.40/512,949.60 = 325,636.80/x
  3. Step 3: Cross multiply
    341,966.40x = 512,949.60 × 325,636.80
  4. Step 4: Simplify right side
    341,966.40x = 167,035,266,305.28
  5. Step 5: Solve for x
    x = 167,035,266,305.28/341,966.40
  6. Step 6: Final answer
    x = 488,455.20

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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.