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Finding the Fourth Proportional to 508,462.52, 701,676.34 and 279,023.60

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Solution

The fourth proportional to 508,462.52, 701,676.34 and 279,023.60 is: 385,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,462.52 : 701,676.34 = 279,023.60 : x
  2. Step 2: Convert to fraction form
    508,462.52/701,676.34 = 279,023.60/x
  3. Step 3: Cross multiply
    508,462.52x = 701,676.34 × 279,023.60
  4. Step 4: Simplify right side
    508,462.52x = 195,784,259,478.26
  5. Step 5: Solve for x
    x = 195,784,259,478.26/508,462.52
  6. Step 6: Final answer
    x = 385,051.51

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1.5x scale

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.