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Finding the Fourth Proportional to 573,796.80, 859,658.40 and 351,921.60

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Solution

The fourth proportional to 573,796.80, 859,658.40 and 351,921.60 is: 527,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,796.80 : 859,658.40 = 351,921.60 : x
  2. Step 2: Convert to fraction form
    573,796.80/859,658.40 = 351,921.60/x
  3. Step 3: Cross multiply
    573,796.80x = 859,658.40 × 351,921.60
  4. Step 4: Simplify right side
    573,796.80x = 302,532,359,581.44
  5. Step 5: Solve for x
    x = 302,532,359,581.44/573,796.80
  6. Step 6: Final answer
    x = 527,246.51

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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.