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Finding the Fourth Proportional to 573,549.17, 791,493.05 and 318,898.13

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Solution

The fourth proportional to 573,549.17, 791,493.05 and 318,898.13 is: 440,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,549.17 : 791,493.05 = 318,898.13 : x
  2. Step 2: Convert to fraction form
    573,549.17/791,493.05 = 318,898.13/x
  3. Step 3: Cross multiply
    573,549.17x = 791,493.05 × 318,898.13
  4. Step 4: Simplify right side
    573,549.17x = 252,405,650,392.78
  5. Step 5: Solve for x
    x = 252,405,650,392.78/573,549.17
  6. Step 6: Final answer
    x = 440,076.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.