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Finding the Fourth Proportional to 608,992.42, 913,581 and 441,774.58

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Solution

The fourth proportional to 608,992.42, 913,581 and 441,774.58 is: 662,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,992.42 : 913,581 = 441,774.58 : x
  2. Step 2: Convert to fraction form
    608,992.42/913,581 = 441,774.58/x
  3. Step 3: Cross multiply
    608,992.42x = 913,581 × 441,774.58
  4. Step 4: Simplify right side
    608,992.42x = 403,596,862,570.98
  5. Step 5: Solve for x
    x = 403,596,862,570.98/608,992.42
  6. Step 6: Final answer
    x = 662,728.88

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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.