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Finding the Fourth Proportional to 529,770.88, 795,155.74 and 193,136.90

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Solution

The fourth proportional to 529,770.88, 795,155.74 and 193,136.90 is: 289,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,770.88 : 795,155.74 = 193,136.90 : x
  2. Step 2: Convert to fraction form
    529,770.88/795,155.74 = 193,136.90/x
  3. Step 3: Cross multiply
    529,770.88x = 795,155.74 × 193,136.90
  4. Step 4: Simplify right side
    529,770.88x = 153,573,914,640.81
  5. Step 5: Solve for x
    x = 153,573,914,640.81/529,770.88
  6. Step 6: Final answer
    x = 289,887.42

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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.