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Finding the Fourth Proportional to 725,058, 1,087,587.45 and 275,675.06

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Solution

The fourth proportional to 725,058, 1,087,587.45 and 275,675.06 is: 413,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,058 : 1,087,587.45 = 275,675.06 : x
  2. Step 2: Convert to fraction form
    725,058/1,087,587.45 = 275,675.06/x
  3. Step 3: Cross multiply
    725,058x = 1,087,587.45 × 275,675.06
  4. Step 4: Simplify right side
    725,058x = 299,820,738,252.97
  5. Step 5: Solve for x
    x = 299,820,738,252.97/725,058
  6. Step 6: Final answer
    x = 413,512.76

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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.