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Finding the Fourth Proportional to 605,870.66, 909,986.96 and 493,633.82

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Solution

The fourth proportional to 605,870.66, 909,986.96 and 493,633.82 is: 741,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,870.66 : 909,986.96 = 493,633.82 : x
  2. Step 2: Convert to fraction form
    605,870.66/909,986.96 = 493,633.82/x
  3. Step 3: Cross multiply
    605,870.66x = 909,986.96 × 493,633.82
  4. Step 4: Simplify right side
    605,870.66x = 449,200,335,899.14
  5. Step 5: Solve for x
    x = 449,200,335,899.14/605,870.66
  6. Step 6: Final answer
    x = 741,412.93

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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.