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Finding the Fourth Proportional to 271,409.68, 374,545.68 and 158,254.30

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Solution

The fourth proportional to 271,409.68, 374,545.68 and 158,254.30 is: 218,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,409.68 : 374,545.68 = 158,254.30 : x
  2. Step 2: Convert to fraction form
    271,409.68/374,545.68 = 158,254.30/x
  3. Step 3: Cross multiply
    271,409.68x = 374,545.68 × 158,254.30
  4. Step 4: Simplify right side
    271,409.68x = 59,273,464,406.42
  5. Step 5: Solve for x
    x = 59,273,464,406.42/271,409.68
  6. Step 6: Final answer
    x = 218,391.12

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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.