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Finding the Fourth Proportional to 367,628.45, 551,476.76 and 143,006.00

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Solution

The fourth proportional to 367,628.45, 551,476.76 and 143,006.00 is: 214,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,628.45 : 551,476.76 = 143,006.00 : x
  2. Step 2: Convert to fraction form
    367,628.45/551,476.76 = 143,006.00/x
  3. Step 3: Cross multiply
    367,628.45x = 551,476.76 × 143,006.00
  4. Step 4: Simplify right side
    367,628.45x = 78,864,482,068.15
  5. Step 5: Solve for x
    x = 78,864,482,068.15/367,628.45
  6. Step 6: Final answer
    x = 214,522.25

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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.