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Finding the Fourth Proportional to 453,622.65, 680,433.98 and 154,441.05

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Solution

The fourth proportional to 453,622.65, 680,433.98 and 154,441.05 is: 231,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,622.65 : 680,433.98 = 154,441.05 : x
  2. Step 2: Convert to fraction form
    453,622.65/680,433.98 = 154,441.05/x
  3. Step 3: Cross multiply
    453,622.65x = 680,433.98 × 154,441.05
  4. Step 4: Simplify right side
    453,622.65x = 105,086,937,554.67
  5. Step 5: Solve for x
    x = 105,086,937,554.67/453,622.65
  6. Step 6: Final answer
    x = 231,661.58

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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.