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Finding the Fourth Proportional to 503,492.62, 694,820.01 and 277,136.50

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Solution

The fourth proportional to 503,492.62, 694,820.01 and 277,136.50 is: 382,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,492.62 : 694,820.01 = 277,136.50 : x
  2. Step 2: Convert to fraction form
    503,492.62/694,820.01 = 277,136.50/x
  3. Step 3: Cross multiply
    503,492.62x = 694,820.01 × 277,136.50
  4. Step 4: Simplify right side
    503,492.62x = 192,559,985,701.37
  5. Step 5: Solve for x
    x = 192,559,985,701.37/503,492.62
  6. Step 6: Final answer
    x = 382,448.48

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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.