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Finding the Fourth Proportional to 308,954.98, 463,440.57 and 98,592.72

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Solution

The fourth proportional to 308,954.98, 463,440.57 and 98,592.72 is: 147,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,954.98 : 463,440.57 = 98,592.72 : x
  2. Step 2: Convert to fraction form
    308,954.98/463,440.57 = 98,592.72/x
  3. Step 3: Cross multiply
    308,954.98x = 463,440.57 × 98,592.72
  4. Step 4: Simplify right side
    308,954.98x = 45,691,866,354.65
  5. Step 5: Solve for x
    x = 45,691,866,354.65/308,954.98
  6. Step 6: Final answer
    x = 147,891.66

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1.5x scale

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.