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Finding the Fourth Proportional to 555,408.25, 832,940.15 and 200,376.14

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Solution

The fourth proportional to 555,408.25, 832,940.15 and 200,376.14 is: 300,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,408.25 : 832,940.15 = 200,376.14 : x
  2. Step 2: Convert to fraction form
    555,408.25/832,940.15 = 200,376.14/x
  3. Step 3: Cross multiply
    555,408.25x = 832,940.15 × 200,376.14
  4. Step 4: Simplify right side
    555,408.25x = 166,901,326,941.44
  5. Step 5: Solve for x
    x = 166,901,326,941.44/555,408.25
  6. Step 6: Final answer
    x = 300,502.07

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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.