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Finding the Fourth Proportional to 524,373.12, 723,639.96 and 298,020.24

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Solution

The fourth proportional to 524,373.12, 723,639.96 and 298,020.24 is: 411,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,373.12 : 723,639.96 = 298,020.24 : x
  2. Step 2: Convert to fraction form
    524,373.12/723,639.96 = 298,020.24/x
  3. Step 3: Cross multiply
    524,373.12x = 723,639.96 × 298,020.24
  4. Step 4: Simplify right side
    524,373.12x = 215,659,354,552.79
  5. Step 5: Solve for x
    x = 215,659,354,552.79/524,373.12
  6. Step 6: Final answer
    x = 411,270.80

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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.