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Finding the Fourth Proportional to 503,554.16, 694,747.98 and 285,726.80

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Solution

The fourth proportional to 503,554.16, 694,747.98 and 285,726.80 is: 394,214.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,554.16 : 694,747.98 = 285,726.80 : x
  2. Step 2: Convert to fraction form
    503,554.16/694,747.98 = 285,726.80/x
  3. Step 3: Cross multiply
    503,554.16x = 694,747.98 × 285,726.80
  4. Step 4: Simplify right side
    503,554.16x = 198,508,117,131.86
  5. Step 5: Solve for x
    x = 198,508,117,131.86/503,554.16
  6. Step 6: Final answer
    x = 394,214.03

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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.