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Finding the Fourth Proportional to 635,532.41, 953,331.41 and 162,221.87

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Solution

The fourth proportional to 635,532.41, 953,331.41 and 162,221.87 is: 243,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,532.41 : 953,331.41 = 162,221.87 : x
  2. Step 2: Convert to fraction form
    635,532.41/953,331.41 = 162,221.87/x
  3. Step 3: Cross multiply
    635,532.41x = 953,331.41 × 162,221.87
  4. Step 4: Simplify right side
    635,532.41x = 154,651,206,848.82
  5. Step 5: Solve for x
    x = 154,651,206,848.82/635,532.41
  6. Step 6: Final answer
    x = 243,341.18

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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.