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Finding the Fourth Proportional to 372,774.26, 514,404 and 219,805.04

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Solution

The fourth proportional to 372,774.26, 514,404 and 219,805.04 is: 303,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,774.26 : 514,404 = 219,805.04 : x
  2. Step 2: Convert to fraction form
    372,774.26/514,404 = 219,805.04/x
  3. Step 3: Cross multiply
    372,774.26x = 514,404 × 219,805.04
  4. Step 4: Simplify right side
    372,774.26x = 113,068,589,224.14
  5. Step 5: Solve for x
    x = 113,068,589,224.14/372,774.26
  6. Step 6: Final answer
    x = 303,316.52

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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.