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Finding the Fourth Proportional to 271,497.70, 407,246.55 and 171,333.10

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Solution

The fourth proportional to 271,497.70, 407,246.55 and 171,333.10 is: 256,999.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,497.70 : 407,246.55 = 171,333.10 : x
  2. Step 2: Convert to fraction form
    271,497.70/407,246.55 = 171,333.10/x
  3. Step 3: Cross multiply
    271,497.70x = 407,246.55 × 171,333.10
  4. Step 4: Simplify right side
    271,497.70x = 69,774,813,875.81
  5. Step 5: Solve for x
    x = 69,774,813,875.81/271,497.70
  6. Step 6: Final answer
    x = 256,999.65

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Similar ratio
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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.