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Finding the Fourth Proportional to 576,151.49, 795,089.10 and 318,028.50

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Solution

The fourth proportional to 576,151.49, 795,089.10 and 318,028.50 is: 438,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,151.49 : 795,089.10 = 318,028.50 : x
  2. Step 2: Convert to fraction form
    576,151.49/795,089.10 = 318,028.50/x
  3. Step 3: Cross multiply
    576,151.49x = 795,089.10 × 318,028.50
  4. Step 4: Simplify right side
    576,151.49x = 252,860,993,839.35
  5. Step 5: Solve for x
    x = 252,860,993,839.35/576,151.49
  6. Step 6: Final answer
    x = 438,879.35

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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.