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Finding the Fourth Proportional to 573,247.98, 791,076.51 and 318,593.70

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Solution

The fourth proportional to 573,247.98, 791,076.51 and 318,593.70 is: 439,656.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,247.98 : 791,076.51 = 318,593.70 : x
  2. Step 2: Convert to fraction form
    573,247.98/791,076.51 = 318,593.70/x
  3. Step 3: Cross multiply
    573,247.98x = 791,076.51 × 318,593.70
  4. Step 4: Simplify right side
    573,247.98x = 252,031,992,303.99
  5. Step 5: Solve for x
    x = 252,031,992,303.99/573,247.98
  6. Step 6: Final answer
    x = 439,656.14

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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.