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Finding the Fourth Proportional to 507,650.88, 700,519.68 and 281,291.52

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Solution

The fourth proportional to 507,650.88, 700,519.68 and 281,291.52 is: 388,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,650.88 : 700,519.68 = 281,291.52 : x
  2. Step 2: Convert to fraction form
    507,650.88/700,519.68 = 281,291.52/x
  3. Step 3: Cross multiply
    507,650.88x = 700,519.68 × 281,291.52
  4. Step 4: Simplify right side
    507,650.88x = 197,050,245,577.11
  5. Step 5: Solve for x
    x = 197,050,245,577.11/507,650.88
  6. Step 6: Final answer
    x = 388,160.95

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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.