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Finding the Fourth Proportional to 514,911.30, 771,361.44 and 244,654.83

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Solution

The fourth proportional to 514,911.30, 771,361.44 and 244,654.83 is: 366,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,911.30 : 771,361.44 = 244,654.83 : x
  2. Step 2: Convert to fraction form
    514,911.30/771,361.44 = 244,654.83/x
  3. Step 3: Cross multiply
    514,911.30x = 771,361.44 × 244,654.83
  4. Step 4: Simplify right side
    514,911.30x = 188,717,301,971.76
  5. Step 5: Solve for x
    x = 188,717,301,971.76/514,911.30
  6. Step 6: Final answer
    x = 366,504.49

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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.