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Finding the Fourth Proportional to 517,849.96, 713,407.72 and 493,933.88

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Solution

The fourth proportional to 517,849.96, 713,407.72 and 493,933.88 is: 680,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,849.96 : 713,407.72 = 493,933.88 : x
  2. Step 2: Convert to fraction form
    517,849.96/713,407.72 = 493,933.88/x
  3. Step 3: Cross multiply
    517,849.96x = 713,407.72 × 493,933.88
  4. Step 4: Simplify right side
    517,849.96x = 352,376,243,161.55
  5. Step 5: Solve for x
    x = 352,376,243,161.55/517,849.96
  6. Step 6: Final answer
    x = 680,460.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.