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Finding the Fourth Proportional to 598,321.72, 825,817.11 and 380,486.24

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Solution

The fourth proportional to 598,321.72, 825,817.11 and 380,486.24 is: 525,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,321.72 : 825,817.11 = 380,486.24 : x
  2. Step 2: Convert to fraction form
    598,321.72/825,817.11 = 380,486.24/x
  3. Step 3: Cross multiply
    598,321.72x = 825,817.11 × 380,486.24
  4. Step 4: Simplify right side
    598,321.72x = 314,212,045,209.14
  5. Step 5: Solve for x
    x = 314,212,045,209.14/598,321.72
  6. Step 6: Final answer
    x = 525,155.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.