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Finding the Fourth Proportional to 366,473.55, 551,186.55 and 328,091.70

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Solution

The fourth proportional to 366,473.55, 551,186.55 and 328,091.70 is: 493,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,473.55 : 551,186.55 = 328,091.70 : x
  2. Step 2: Convert to fraction form
    366,473.55/551,186.55 = 328,091.70/x
  3. Step 3: Cross multiply
    366,473.55x = 551,186.55 × 328,091.70
  4. Step 4: Simplify right side
    366,473.55x = 180,839,732,206.64
  5. Step 5: Solve for x
    x = 180,839,732,206.64/366,473.55
  6. Step 6: Final answer
    x = 493,459.17

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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.