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Finding the Fourth Proportional to 275,657.76, 413,500.77 and 75,973.77

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Solution

The fourth proportional to 275,657.76, 413,500.77 and 75,973.77 is: 113,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,657.76 : 413,500.77 = 75,973.77 : x
  2. Step 2: Convert to fraction form
    275,657.76/413,500.77 = 75,973.77/x
  3. Step 3: Cross multiply
    275,657.76x = 413,500.77 × 75,973.77
  4. Step 4: Simplify right side
    275,657.76x = 31,415,212,394.80
  5. Step 5: Solve for x
    x = 31,415,212,394.80/275,657.76
  6. Step 6: Final answer
    x = 113,964.55

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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.