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Finding the Fourth Proportional to 271,374.78, 374,252.19 and 169,409.64

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Solution

The fourth proportional to 271,374.78, 374,252.19 and 169,409.64 is: 233,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,374.78 : 374,252.19 = 169,409.64 : x
  2. Step 2: Convert to fraction form
    271,374.78/374,252.19 = 169,409.64/x
  3. Step 3: Cross multiply
    271,374.78x = 374,252.19 × 169,409.64
  4. Step 4: Simplify right side
    271,374.78x = 63,401,928,777.11
  5. Step 5: Solve for x
    x = 63,401,928,777.11/271,374.78
  6. Step 6: Final answer
    x = 233,632.35

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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.