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Finding the Fourth Proportional to 608,240.10, 911,725.38 and 271,438.32

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Solution

The fourth proportional to 608,240.10, 911,725.38 and 271,438.32 is: 406,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,240.10 : 911,725.38 = 271,438.32 : x
  2. Step 2: Convert to fraction form
    608,240.10/911,725.38 = 271,438.32/x
  3. Step 3: Cross multiply
    608,240.10x = 911,725.38 × 271,438.32
  4. Step 4: Simplify right side
    608,240.10x = 247,477,205,448.56
  5. Step 5: Solve for x
    x = 247,477,205,448.56/608,240.10
  6. Step 6: Final answer
    x = 406,874.20

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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.