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Finding the Fourth Proportional to 540,950.20, 811,502.10 and 166,934.20

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Solution

The fourth proportional to 540,950.20, 811,502.10 and 166,934.20 is: 250,425.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,950.20 : 811,502.10 = 166,934.20 : x
  2. Step 2: Convert to fraction form
    540,950.20/811,502.10 = 166,934.20/x
  3. Step 3: Cross multiply
    540,950.20x = 811,502.10 × 166,934.20
  4. Step 4: Simplify right side
    540,950.20x = 135,467,453,861.82
  5. Step 5: Solve for x
    x = 135,467,453,861.82/540,950.20
  6. Step 6: Final answer
    x = 250,425.00

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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.