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Finding the Fourth Proportional to 364,571.70, 546,857.55 and 275,998.20

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Solution

The fourth proportional to 364,571.70, 546,857.55 and 275,998.20 is: 413,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,571.70 : 546,857.55 = 275,998.20 : x
  2. Step 2: Convert to fraction form
    364,571.70/546,857.55 = 275,998.20/x
  3. Step 3: Cross multiply
    364,571.70x = 546,857.55 × 275,998.20
  4. Step 4: Simplify right side
    364,571.70x = 150,931,699,456.41
  5. Step 5: Solve for x
    x = 150,931,699,456.41/364,571.70
  6. Step 6: Final answer
    x = 413,997.30

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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.