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Finding the Fourth Proportional to 496,534.32, 744,918.16 and 141,553.44

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Solution

The fourth proportional to 496,534.32, 744,918.16 and 141,553.44 is: 212,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,534.32 : 744,918.16 = 141,553.44 : x
  2. Step 2: Convert to fraction form
    496,534.32/744,918.16 = 141,553.44/x
  3. Step 3: Cross multiply
    496,534.32x = 744,918.16 × 141,553.44
  4. Step 4: Simplify right side
    496,534.32x = 105,445,728,066.47
  5. Step 5: Solve for x
    x = 105,445,728,066.47/496,534.32
  6. Step 6: Final answer
    x = 212,363.42

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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.