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Finding the Fourth Proportional to 264,638.31, 365,258.61 and 162,751.43

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Solution

The fourth proportional to 264,638.31, 365,258.61 and 162,751.43 is: 224,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,638.31 : 365,258.61 = 162,751.43 : x
  2. Step 2: Convert to fraction form
    264,638.31/365,258.61 = 162,751.43/x
  3. Step 3: Cross multiply
    264,638.31x = 365,258.61 × 162,751.43
  4. Step 4: Simplify right side
    264,638.31x = 59,446,359,271.02
  5. Step 5: Solve for x
    x = 59,446,359,271.02/264,638.31
  6. Step 6: Final answer
    x = 224,632.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.