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Finding the Fourth Proportional to 524,136.96, 786,196.80 and 150,151.68

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Solution

The fourth proportional to 524,136.96, 786,196.80 and 150,151.68 is: 225,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,136.96 : 786,196.80 = 150,151.68 : x
  2. Step 2: Convert to fraction form
    524,136.96/786,196.80 = 150,151.68/x
  3. Step 3: Cross multiply
    524,136.96x = 786,196.80 × 150,151.68
  4. Step 4: Simplify right side
    524,136.96x = 118,048,770,330.62
  5. Step 5: Solve for x
    x = 118,048,770,330.62/524,136.96
  6. Step 6: Final answer
    x = 225,225.04

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1.5x scale

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.