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Finding the Fourth Proportional to 453,506.30, 680,331.45 and 154,015.10

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Solution

The fourth proportional to 453,506.30, 680,331.45 and 154,015.10 is: 231,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,506.30 : 680,331.45 = 154,015.10 : x
  2. Step 2: Convert to fraction form
    453,506.30/680,331.45 = 154,015.10/x
  3. Step 3: Cross multiply
    453,506.30x = 680,331.45 × 154,015.10
  4. Step 4: Simplify right side
    453,506.30x = 104,781,316,304.90
  5. Step 5: Solve for x
    x = 104,781,316,304.90/453,506.30
  6. Step 6: Final answer
    x = 231,047.10

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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.