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Finding the Fourth Proportional to 413,153, 619,609.34 and 173,260.28

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Solution

The fourth proportional to 413,153, 619,609.34 and 173,260.28 is: 259,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,153 : 619,609.34 = 173,260.28 : x
  2. Step 2: Convert to fraction form
    413,153/619,609.34 = 173,260.28/x
  3. Step 3: Cross multiply
    413,153x = 619,609.34 × 173,260.28
  4. Step 4: Simplify right side
    413,153x = 107,353,687,739.02
  5. Step 5: Solve for x
    x = 107,353,687,739.02/413,153
  6. Step 6: Final answer
    x = 259,840.03

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1.5x scale

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.