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Finding the Fourth Proportional to 573,247.48, 791,075.82 and 318,593.20

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Solution

The fourth proportional to 573,247.48, 791,075.82 and 318,593.20 is: 439,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,247.48 : 791,075.82 = 318,593.20 : x
  2. Step 2: Convert to fraction form
    573,247.48/791,075.82 = 318,593.20/x
  3. Step 3: Cross multiply
    573,247.48x = 791,075.82 × 318,593.20
  4. Step 4: Simplify right side
    573,247.48x = 252,031,376,936.42
  5. Step 5: Solve for x
    x = 252,031,376,936.42/573,247.48
  6. Step 6: Final answer
    x = 439,655.45

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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.