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Finding the Fourth Proportional to 531,426.42, 797,003.55 and 157,361.94

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Solution

The fourth proportional to 531,426.42, 797,003.55 and 157,361.94 is: 236,002.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,426.42 : 797,003.55 = 157,361.94 : x
  2. Step 2: Convert to fraction form
    531,426.42/797,003.55 = 157,361.94/x
  3. Step 3: Cross multiply
    531,426.42x = 797,003.55 × 157,361.94
  4. Step 4: Simplify right side
    531,426.42x = 125,418,024,814.89
  5. Step 5: Solve for x
    x = 125,418,024,814.89/531,426.42
  6. Step 6: Final answer
    x = 236,002.62

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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.