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Finding the Fourth Proportional to 603,310.46, 904,964.88 and 154,031.40

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Solution

The fourth proportional to 603,310.46, 904,964.88 and 154,031.40 is: 231,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,310.46 : 904,964.88 = 154,031.40 : x
  2. Step 2: Convert to fraction form
    603,310.46/904,964.88 = 154,031.40/x
  3. Step 3: Cross multiply
    603,310.46x = 904,964.88 × 154,031.40
  4. Step 4: Simplify right side
    603,310.46x = 139,393,007,994.85
  5. Step 5: Solve for x
    x = 139,393,007,994.85/603,310.46
  6. Step 6: Final answer
    x = 231,046.90

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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.