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Finding the Fourth Proportional to 603,136.53, 904,065.71 and 283,018.05

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Solution

The fourth proportional to 603,136.53, 904,065.71 and 283,018.05 is: 424,227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,136.53 : 904,065.71 = 283,018.05 : x
  2. Step 2: Convert to fraction form
    603,136.53/904,065.71 = 283,018.05/x
  3. Step 3: Cross multiply
    603,136.53x = 904,065.71 × 283,018.05
  4. Step 4: Simplify right side
    603,136.53x = 255,866,912,900.98
  5. Step 5: Solve for x
    x = 255,866,912,900.98/603,136.53
  6. Step 6: Final answer
    x = 424,227.19

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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.