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Finding the Fourth Proportional to 503,136.36, 754,835.76 and 187,596

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Solution

The fourth proportional to 503,136.36, 754,835.76 and 187,596 is: 281,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,136.36 : 754,835.76 = 187,596 : x
  2. Step 2: Convert to fraction form
    503,136.36/754,835.76 = 187,596/x
  3. Step 3: Cross multiply
    503,136.36x = 754,835.76 × 187,596
  4. Step 4: Simplify right side
    503,136.36x = 141,604,169,232.96
  5. Step 5: Solve for x
    x = 141,604,169,232.96/503,136.36
  6. Step 6: Final answer
    x = 281,442.93

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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.