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Finding the Fourth Proportional to 415,331.88, 623,050.06 and 162,579.88

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Solution

The fourth proportional to 415,331.88, 623,050.06 and 162,579.88 is: 243,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,331.88 : 623,050.06 = 162,579.88 : x
  2. Step 2: Convert to fraction form
    415,331.88/623,050.06 = 162,579.88/x
  3. Step 3: Cross multiply
    415,331.88x = 623,050.06 × 162,579.88
  4. Step 4: Simplify right side
    415,331.88x = 101,295,403,988.79
  5. Step 5: Solve for x
    x = 101,295,403,988.79/415,331.88
  6. Step 6: Final answer
    x = 243,890.27

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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.