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Finding the Fourth Proportional to 256,466.94, 353,600.55 and 165,669.18

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Solution

The fourth proportional to 256,466.94, 353,600.55 and 165,669.18 is: 228,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,466.94 : 353,600.55 = 165,669.18 : x
  2. Step 2: Convert to fraction form
    256,466.94/353,600.55 = 165,669.18/x
  3. Step 3: Cross multiply
    256,466.94x = 353,600.55 × 165,669.18
  4. Step 4: Simplify right side
    256,466.94x = 58,580,713,166.05
  5. Step 5: Solve for x
    x = 58,580,713,166.05/256,466.94
  6. Step 6: Final answer
    x = 228,414.29

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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.