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Finding the Fourth Proportional to 368,116.80, 552,175.20 and 365,492.40

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Solution

The fourth proportional to 368,116.80, 552,175.20 and 365,492.40 is: 548,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,116.80 : 552,175.20 = 365,492.40 : x
  2. Step 2: Convert to fraction form
    368,116.80/552,175.20 = 365,492.40/x
  3. Step 3: Cross multiply
    368,116.80x = 552,175.20 × 365,492.40
  4. Step 4: Simplify right side
    368,116.80x = 201,815,839,068.48
  5. Step 5: Solve for x
    x = 201,815,839,068.48/368,116.80
  6. Step 6: Final answer
    x = 548,238.60

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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.