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Finding the Fourth Proportional to 635,469.30, 953,203.48 and 162,154.71

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Solution

The fourth proportional to 635,469.30, 953,203.48 and 162,154.71 is: 243,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,469.30 : 953,203.48 = 162,154.71 : x
  2. Step 2: Convert to fraction form
    635,469.30/953,203.48 = 162,154.71/x
  3. Step 3: Cross multiply
    635,469.30x = 953,203.48 × 162,154.71
  4. Step 4: Simplify right side
    635,469.30x = 154,566,433,465.00
  5. Step 5: Solve for x
    x = 154,566,433,465.00/635,469.30
  6. Step 6: Final answer
    x = 243,231.94

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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.