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Finding the Fourth Proportional to 267,683.94, 369,486.55 and 172,190.63

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Solution

The fourth proportional to 267,683.94, 369,486.55 and 172,190.63 is: 237,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,683.94 : 369,486.55 = 172,190.63 : x
  2. Step 2: Convert to fraction form
    267,683.94/369,486.55 = 172,190.63/x
  3. Step 3: Cross multiply
    267,683.94x = 369,486.55 × 172,190.63
  4. Step 4: Simplify right side
    267,683.94x = 63,622,121,644.46
  5. Step 5: Solve for x
    x = 63,622,121,644.46/267,683.94
  6. Step 6: Final answer
    x = 237,676.28

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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.