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Finding the Fourth Proportional to 453,901.49, 680,942.45 and 154,301.63

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Solution

The fourth proportional to 453,901.49, 680,942.45 and 154,301.63 is: 231,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,901.49 : 680,942.45 = 154,301.63 : x
  2. Step 2: Convert to fraction form
    453,901.49/680,942.45 = 154,301.63/x
  3. Step 3: Cross multiply
    453,901.49x = 680,942.45 × 154,301.63
  4. Step 4: Simplify right side
    453,901.49x = 105,070,526,952.24
  5. Step 5: Solve for x
    x = 105,070,526,952.24/453,901.49
  6. Step 6: Final answer
    x = 231,483.11

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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.