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Finding the Fourth Proportional to 500,827.56, 751,242.56 and 145,850.20

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Solution

The fourth proportional to 500,827.56, 751,242.56 and 145,850.20 is: 218,775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,827.56 : 751,242.56 = 145,850.20 : x
  2. Step 2: Convert to fraction form
    500,827.56/751,242.56 = 145,850.20/x
  3. Step 3: Cross multiply
    500,827.56x = 751,242.56 × 145,850.20
  4. Step 4: Simplify right side
    500,827.56x = 109,568,877,624.51
  5. Step 5: Solve for x
    x = 109,568,877,624.51/500,827.56
  6. Step 6: Final answer
    x = 218,775.66

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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.