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Finding the Fourth Proportional to 482,937.60, 723,823.20 and 246,158.40

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Solution

The fourth proportional to 482,937.60, 723,823.20 and 246,158.40 is: 368,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,937.60 : 723,823.20 = 246,158.40 : x
  2. Step 2: Convert to fraction form
    482,937.60/723,823.20 = 246,158.40/x
  3. Step 3: Cross multiply
    482,937.60x = 723,823.20 × 246,158.40
  4. Step 4: Simplify right side
    482,937.60x = 178,175,160,794.88
  5. Step 5: Solve for x
    x = 178,175,160,794.88/482,937.60
  6. Step 6: Final answer
    x = 368,940.34

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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.