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Finding the Fourth Proportional to 503,763, 695,192.94 and 277,408.50

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Solution

The fourth proportional to 503,763, 695,192.94 and 277,408.50 is: 382,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,763 : 695,192.94 = 277,408.50 : x
  2. Step 2: Convert to fraction form
    503,763/695,192.94 = 277,408.50/x
  3. Step 3: Cross multiply
    503,763x = 695,192.94 × 277,408.50
  4. Step 4: Simplify right side
    503,763x = 192,852,430,695.99
  5. Step 5: Solve for x
    x = 192,852,430,695.99/503,763
  6. Step 6: Final answer
    x = 382,823.73

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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.