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Finding the Fourth Proportional to 569,136.96, 854,219.52 and 303,120

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Solution

The fourth proportional to 569,136.96, 854,219.52 and 303,120 is: 454,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,136.96 : 854,219.52 = 303,120 : x
  2. Step 2: Convert to fraction form
    569,136.96/854,219.52 = 303,120/x
  3. Step 3: Cross multiply
    569,136.96x = 854,219.52 × 303,120
  4. Step 4: Simplify right side
    569,136.96x = 258,931,020,902.40
  5. Step 5: Solve for x
    x = 258,931,020,902.40/569,136.96
  6. Step 6: Final answer
    x = 454,953.80

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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.