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Finding the Fourth Proportional to 403,817.76, 605,057.02 and 245,567.52

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Solution

The fourth proportional to 403,817.76, 605,057.02 and 245,567.52 is: 367,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,817.76 : 605,057.02 = 245,567.52 : x
  2. Step 2: Convert to fraction form
    403,817.76/605,057.02 = 245,567.52/x
  3. Step 3: Cross multiply
    403,817.76x = 605,057.02 × 245,567.52
  4. Step 4: Simplify right side
    403,817.76x = 148,582,351,859.99
  5. Step 5: Solve for x
    x = 148,582,351,859.99/403,817.76
  6. Step 6: Final answer
    x = 367,944.07

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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.