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Finding the Fourth Proportional to 635,687.08, 953,529.72 and 162,372.58

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Solution

The fourth proportional to 635,687.08, 953,529.72 and 162,372.58 is: 243,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,687.08 : 953,529.72 = 162,372.58 : x
  2. Step 2: Convert to fraction form
    635,687.08/953,529.72 = 162,372.58/x
  3. Step 3: Cross multiply
    635,687.08x = 953,529.72 × 162,372.58
  4. Step 4: Simplify right side
    635,687.08x = 154,827,080,743.08
  5. Step 5: Solve for x
    x = 154,827,080,743.08/635,687.08
  6. Step 6: Final answer
    x = 243,558.64

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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.