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Finding the Fourth Proportional to 522,136.59, 783,205.50 and 143,060.55

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Solution

The fourth proportional to 522,136.59, 783,205.50 and 143,060.55 is: 214,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,136.59 : 783,205.50 = 143,060.55 : x
  2. Step 2: Convert to fraction form
    522,136.59/783,205.50 = 143,060.55/x
  3. Step 3: Cross multiply
    522,136.59x = 783,205.50 × 143,060.55
  4. Step 4: Simplify right side
    522,136.59x = 112,045,809,593.03
  5. Step 5: Solve for x
    x = 112,045,809,593.03/522,136.59
  6. Step 6: Final answer
    x = 214,590.99

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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.