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Finding the Fourth Proportional to 453,810.18, 680,709.02 and 154,499.49

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Solution

The fourth proportional to 453,810.18, 680,709.02 and 154,499.49 is: 231,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,810.18 : 680,709.02 = 154,499.49 : x
  2. Step 2: Convert to fraction form
    453,810.18/680,709.02 = 154,499.49/x
  3. Step 3: Cross multiply
    453,810.18x = 680,709.02 × 154,499.49
  4. Step 4: Simplify right side
    453,810.18x = 105,169,196,814.65
  5. Step 5: Solve for x
    x = 105,169,196,814.65/453,810.18
  6. Step 6: Final answer
    x = 231,747.11

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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.