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Finding the Fourth Proportional to 541,530.86, 812,388.52 and 271,787.64

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Solution

The fourth proportional to 541,530.86, 812,388.52 and 271,787.64 is: 407,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,530.86 : 812,388.52 = 271,787.64 : x
  2. Step 2: Convert to fraction form
    541,530.86/812,388.52 = 271,787.64/x
  3. Step 3: Cross multiply
    541,530.86x = 812,388.52 × 271,787.64
  4. Step 4: Simplify right side
    541,530.86x = 220,797,155,907.17
  5. Step 5: Solve for x
    x = 220,797,155,907.17/541,530.86
  6. Step 6: Final answer
    x = 407,727.75

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Half scale
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Double scale
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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.