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Finding the Fourth Proportional to 367,483.80, 551,225.70 and 320,827.80

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Solution

The fourth proportional to 367,483.80, 551,225.70 and 320,827.80 is: 481,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,483.80 : 551,225.70 = 320,827.80 : x
  2. Step 2: Convert to fraction form
    367,483.80/551,225.70 = 320,827.80/x
  3. Step 3: Cross multiply
    367,483.80x = 551,225.70 × 320,827.80
  4. Step 4: Simplify right side
    367,483.80x = 176,848,528,634.46
  5. Step 5: Solve for x
    x = 176,848,528,634.46/367,483.80
  6. Step 6: Final answer
    x = 481,241.70

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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.