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Finding the Fourth Proportional to 367,658.40, 551,487.60 and 329,604.60

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Solution

The fourth proportional to 367,658.40, 551,487.60 and 329,604.60 is: 494,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,658.40 : 551,487.60 = 329,604.60 : x
  2. Step 2: Convert to fraction form
    367,658.40/551,487.60 = 329,604.60/x
  3. Step 3: Cross multiply
    367,658.40x = 551,487.60 × 329,604.60
  4. Step 4: Simplify right side
    367,658.40x = 181,772,849,802.96
  5. Step 5: Solve for x
    x = 181,772,849,802.96/367,658.40
  6. Step 6: Final answer
    x = 494,406.90

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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.