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Finding the Fourth Proportional to 374,345.64, 516,603.96 and 204,576.12

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Solution

The fourth proportional to 374,345.64, 516,603.96 and 204,576.12 is: 282,318.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,345.64 : 516,603.96 = 204,576.12 : x
  2. Step 2: Convert to fraction form
    374,345.64/516,603.96 = 204,576.12/x
  3. Step 3: Cross multiply
    374,345.64x = 516,603.96 × 204,576.12
  4. Step 4: Simplify right side
    374,345.64x = 105,684,833,713.44
  5. Step 5: Solve for x
    x = 105,684,833,713.44/374,345.64
  6. Step 6: Final answer
    x = 282,318.86

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Why These Related Problems?

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