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Finding the Fourth Proportional to 275,746.10, 413,631.30 and 155,801.30

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Solution

The fourth proportional to 275,746.10, 413,631.30 and 155,801.30 is: 233,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,746.10 : 413,631.30 = 155,801.30 : x
  2. Step 2: Convert to fraction form
    275,746.10/413,631.30 = 155,801.30/x
  3. Step 3: Cross multiply
    275,746.10x = 413,631.30 × 155,801.30
  4. Step 4: Simplify right side
    275,746.10x = 64,444,294,260.69
  5. Step 5: Solve for x
    x = 64,444,294,260.69/275,746.10
  6. Step 6: Final answer
    x = 233,708.81

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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.