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Finding the Fourth Proportional to 381,058.98, 525,904.70 and 219,957.27

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Solution

The fourth proportional to 381,058.98, 525,904.70 and 219,957.27 is: 303,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,058.98 : 525,904.70 = 219,957.27 : x
  2. Step 2: Convert to fraction form
    381,058.98/525,904.70 = 219,957.27/x
  3. Step 3: Cross multiply
    381,058.98x = 525,904.70 × 219,957.27
  4. Step 4: Simplify right side
    381,058.98x = 115,676,560,992.38
  5. Step 5: Solve for x
    x = 115,676,560,992.38/381,058.98
  6. Step 6: Final answer
    x = 303,566.03

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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.