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Finding the Fourth Proportional to 635,772.96, 953,066.40 and 214,754.40

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Solution

The fourth proportional to 635,772.96, 953,066.40 and 214,754.40 is: 321,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,772.96 : 953,066.40 = 214,754.40 : x
  2. Step 2: Convert to fraction form
    635,772.96/953,066.40 = 214,754.40/x
  3. Step 3: Cross multiply
    635,772.96x = 953,066.40 × 214,754.40
  4. Step 4: Simplify right side
    635,772.96x = 204,675,202,892.16
  5. Step 5: Solve for x
    x = 204,675,202,892.16/635,772.96
  6. Step 6: Final answer
    x = 321,931.28

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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.